Acquisition method (AMC)
3
FSC 4820 × HEAD,SAFETY,PRESSURE RELIEF
HEAD,SAFETY,PRESSURE RELIEF
4820-01-312-5073 FSC 4820
NSN 4820-01-312-5073 (also written 4820013125073; NIIN 01-312-5073) is a head, safety, pressure relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 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 to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. 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 |
|---|---|
| SPECIAL FEATURES FEAT | NICKEL ALLOY DISK,CRES HOLDER 350 PSI MAX,MEDIA AIR,1.239 IN. DIA ONE END,1.140 IN.DIA OTHER END, 0.839 IN. ID, 0.750 IN. O/A H |
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 |
|---|---|---|
| 6310200 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 6310200 | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
| 6310200C | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
| 6310200E | 59364 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL |
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
$650.00
Purchases
1
Total spend
$2,600
Oct 7, 2026
Last purchased
2 · 2.0/yr
Purchase records
$5,200
Total demand
$650.00
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 7, 2026 | SPE4A127P0106 ↗ | — | — | $2,600 |
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 9L863
last award Oct 2026
HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source CAGE 9L863 won the only award on record. CAGE 9L863 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A1-26-T-2964 | Sep 29, 2026 | Oct 6, 2026 | 4 | 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: 2026-10-08.
- Full methodology →
Cite this page
Citation
NSN Explorer. "HEAD,SAFETY,PRESSURE RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-312-5073/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-312-5073/