Acquisition method (AMC)
1
FSC 4820 × VALVE,RELIEF,PRESSURE AND TEMPER
VALVE,RELIEF,PRESSURE AND TEMPER
4820-00-855-6169 FSC 4820
NSN 4820-00-855-6169 (also written 4820008556169; NIIN 00-855-6169) is a valve, relief, pressure and temper in Federal Supply Class 4820, Valves, Nonpowered. 8 manufacturer part numbers from 3 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)
G
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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 |
|---|---|
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED ACLG | INCHES 0.750 |
| FIRST END THREAD DIRECTION ACLL | RIGHT-HAND |
| SECOND END RELATIONSHIP WITH FIRST END ACLR | NOT IDENTICAL |
| TEMP RATING ABJH | FAHRENHEIT 210.0 |
| FIRST END CONNECTION TYPE ACKM | THREADED INTERNAL PIPE |
| FIRST END STYLE DESIGNATOR ACKN | — |
| BODY STYLE AAQL | — |
| FURNISHED ITEMS ABFF | EMERGENCY OPENING DEVICE |
| BULB LENGTH AEVU | INCHES NOMINAL 8.000 |
| BULB DIAMETER AEVV | INCHES NOMINAL 0.250 |
| TEMP ADJUSTABILITY AEVX | NOT ADJUSTABLE |
| TEMP CONTROL DEVICE TYPE AZFX | THERMOSTATIC |
| MATERIAL MATT | BODY COPPER ALLOY 922 AND COPPER ALLOY 836 |
| MATERIAL MATT | FLOW CONTROL DEVICE PLASTIC SILICONE |
| MATERIAL MATT | SEAT COPPER ALLOY 922 AND COPPER ALLOY 836 |
| MATERIAL MATT | STEM STEEL CORROSION RESISTING |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- B61 AND ASSN STD SINGLE MATERIAL RESPONSE AST- B62 |
| MATERIAL DOCUMENT AND CLASSIFICATION MDCL | SEAT ASSN STD SINGLE MATERIAL RESPONSE AST- B61 AND ASSN STD SINGLE MATERIAL RESPONSE AST- B62 |
| MEDIA FOR WHICH DESIGNED MEDA | WATER, FRESH |
| SECOND END CONNECTION TYPE ACLS | THREADED EXTERNAL PIPE |
| SECOND END STYLE DESIGNATOR ACLT | — |
| SECOND END NOMINAL PIPE SIZE ACCOMMODATED ACMN | INCHES 0.750 |
| SECOND END THREAD DIRECTION ACMS | RIGHT-HAND |
| FLOW CONTROL DEVICE ADQU | POPPET |
| END CONNECTION QUANTITY ADQZ | 2 |
| NONDEFINITIVE SPEC/STD DATA ZZZT | TYPE 1 AND CLASS 1 AND SIZE 130 |
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 |
|---|---|---|
| 40XL | 79227 | WATTS REGULATOR COMPANY |
| 40XL-8 PSI | 79227 | WATTS REGULATOR COMPANY |
| 40XL5M8 3-4-125 | 79227 | WATTS REGULATOR COMPANY |
| ANSI Z21.22 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE |
| M12 | 79227 | WATTS REGULATOR COMPANY |
| M8 | 79227 | WATTS REGULATOR COMPANY |
| MIL-V-13612E | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| MILV13612 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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
$121.00
Purchases
1
Total spend
$242.00
Oct 16, 2026
Last purchased
2 · 2.0/yr
Purchase records
$484.00
Total demand
$121.00
Latest unit price
Purchase history
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 16, 2026 | SPE7MC27P0200 ↗ | — | — | $242.00 |
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
CAGE 1N0P1
last award Oct 2026
AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE
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 WATTS REGULATOR COMPANY
no award yet
no awards on record
Listed source CAGE 1N0P1 won the only award on record. CAGE 1N0P1 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-26-T-275M | Sep 16, 2026 | Sep 28, 2026 | 2 | 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: 2026-10-17.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,RELIEF,PRESSURE AND TEMPER." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-00-855-6169/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-00-855-6169/