Acquisition method (AMC)
3
FSC 4820 × SEAT,VALVE
SEAT,VALVE
4820-01-035-1442 FSC 4820
NSN 4820-01-035-1442 (also written 4820010351442; NIIN 01-035-1442) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 8 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
L
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC L: annual buy value is below the screening threshold. 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 |
|---|---|
| THREAD CLASS AAJD | 2A |
| THREAD LENGTH AASA | SINGLE THREADED PORTION INCHES NOMINAL 1.000 |
| FLANGE DIAMETER ABKK | INCHES NOMINAL 4.125 |
| BODY INSIDE DIAMETER ADAS | INCHES MINIMUM 2.395 AND INCHES MAXIMUM 2.400 |
| END ITEM IDENTIFICATION AGAV | J.E. LONERGAN CO SAFETY RELIEF VALVE DWG NO. NMP-1118 |
| FLANGE SEAT TO DISK END HEIGHT AJRF | INCHES NOMINAL 0.437 |
| UNDER FLANGE HEIGHT AJRM | INCHES NOMINAL 1.125 |
| SEAT ANGLE IN DEG AJSG | NOMINAL 45.000 |
| THREAD QUANTITY PER INCH CMLP | 16 |
| NOMINAL THREAD SIZE CQJX | SINGLE THREADED PORTION INCHES 3.750 |
| SEATING SURFACE SHAPE CQKM | ANGULAR |
| SPECIAL FEATURES FEAT | FLANGE OD HAS 4 WRENCHING LUGS |
| MATERIAL MATT | OVERALL NICKEL ALLOY |
| STYLE DESIGNATOR STYL | — |
| THREAD SERIES DESIGNATOR THSD | SINGLE THREADED PORTION UN |
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 |
|---|---|---|
| 005-500-0116 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| 010-500-0116 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 010-500-0116 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| 0105000116 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| NMP1118 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
| NMP1118PC31A | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| NMP1118PC31A | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM |
| NMP1118PC31A | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV |
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
—
Purchases
0
Total spend
—
Aug 12, 2026
Last purchased
1 · 1.0/yr
Purchase records
$20,721
Total demand
$20,721
Latest award total
Purchase history
No priced purchases on record for this NSN yet.
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 |
|---|---|---|---|---|
| Aug 12, 2026 | SPE7MC26V3929 ↗ | ASRC FEDERAL FACILITIES LOGISTICS, LLC | — | $20,721 |
Demand history
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
ASRC FEDERAL FACILITIES LOGISTICS, LLC
last award Aug 2026
ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY
no award yet
no awards on record
Listed source EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM
no award yet
no awards on record
Listed source KUNKLE INDUSTRIES INC LONERGAN VALVE DIV
no award yet
no awards on record
Listed source ASRC FEDERAL FACILITIES LOGISTICS, LLC won the only award on record. ASRC FEDERAL FACILITIES LOGISTICS, LLC won without being a listed source.
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 Nov 4, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-04.
- Full methodology →
Cite this page
Citation
NSN Explorer. "SEAT,VALVE." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-035-1442/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-035-1442/