Acquisition method (AMC)
1
FSC 4820 × VALVE,CHECK
VALVE,CHECK
4820-00-529-3639 FSC 4820
NSN 4820-00-529-3639 (also written 4820005293639; NIIN 00-529-3639) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 12 manufacturer part numbers from 11 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded as suitable for competitive acquisition (AMC 1).
Suffix (AMSC)
T
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC T: handled under qualified products list procedures. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| OPERATING PRESSURE CQQF | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| TEST DATA DOCUMENT TEST | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 81349--IL-V-5524 |
| DISK LOADING METHOD ADSU | SPRING |
| THREAD SERIES DESIGNATOR THSD | FIRST END UNF |
| CONNECTION TYPE AWLS | FIRST END THREADED EXTERNAL TUBE |
| MOUNTING POSITION BBJX | HORIZONTAL OR VERTICAL |
| THREAD QUANTITY PER INCH CMLP | 14 |
| MEDIA FOR WHICH DESIGNED MEDA | SINGLE RESPONSE HYDRAULIC FLUID, PHOSPHATE-ESTER BASE |
| STYLE DESIGNATOR STYL | — |
| THREAD CLASS AAJD | 3A |
| NONDEFINITIVE SPEC/STD DATA ZZZT | STYLE A AND CLASS 3000 |
| SEAT ANGLE CQRB | FIRST END DEGREES 37.0 |
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED CWFD | FIRST END INCHES 0.625 |
| THREAD DIRECTION AAJF | FIRST END RIGHT-HAND |
| CONNECTION STYLE AHNC | — |
| NOMINAL THREAD SIZE CQJX | FIRST END INCHES 0.875 |
| FLOW CONTROL DEVICE ADQU | CONE |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 12-347-6 | 45681 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS |
| 12-347-6 | 92003 | PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS |
| 12347-6 | 45681 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS |
| AN6249-10 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE |
| BC6249-10 | 91561 | PARKER HANNIFIN CORPORATION DBA QUICK COUPLING DIV DIV QUICK COUPLING DIVISION BRUNING OPERATION |
| CVC4121-10 | 80378 | TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT INTEGRATED PROGRAMS DIVISION |
| HPC146100 | 70236 | TACTAIR FLUID CONTROLS INC |
| HPC146100 | 84685 | TELEDYNE HYDRA-POWER DIV OF TELEDYNE INC |
| K1249-10 | 55469 | ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES |
| MIL-V-5524 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| S2230566-10 | 18355 | THE BOEING COMPANY |
| S2230566-10 | 88277 | THE BOEING COMPANY |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$917.28
Purchases
1
Total spend
$24,767
Oct 8, 2026
Last purchased
2 · 2.0/yr
Purchase records
$49,533
Total demand
$917.28
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | 27 | $917.28 | $24,767 | TRANSAERO, INC. (27541) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Oct 8, 2026 | SPE7M127P0269 ↗ | TRANSAERO, INC. | — | $24,767 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
TRANSAERO, INC.
last award Oct 2026
AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
no award yet
no awards on record
Listed source ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES
no award yet
no awards on record
Listed source MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source PARKER HANNIFIN CORPORATION DBA QUICK COUPLING DIV DIV QUICK COUPLING DIVISION BRUNING OPERATION
no award yet
no awards on record
Listed source PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS
no award yet
no awards on record
Listed source PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS
no award yet
no awards on record
Listed source TACTAIR FLUID CONTROLS INC
no award yet
no awards on record
Listed source TRANSAERO, INC. won the only award on record. TRANSAERO, INC. won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M4-26-T-9732 | Apr 13, 2026 | Oct 1, 2026 | 27 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-10-10.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,CHECK." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-529-3639/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-529-3639/