Acquisition method (AMC)
1
FSC 4820 × VALVE,SAFETY RELIEF
VALVE,SAFETY RELIEF
4820-01-342-6000 FSC 4820
NSN 4820-01-342-6000 (also written 4820013426000; NIIN 01-342-6000) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Nov 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)
R
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. 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 |
|---|---|
| FLOW CONTROL DEVICE ADQU | PISTON |
| VALVE OPERATION METHOD AQLR | AUTOMATIC |
| OPENING PRESSURE SETTING CSDC | POUNDS PER SQUARE INCH 3.5 |
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 |
|---|---|---|
| 23502801 | 3B518 | DETROIT DIESEL CORPORATION |
| 23502801 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC |
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
$557.00
Purchases
1
Total spend
$12,811
Nov 4, 2026
Last purchased
3 · 3.0/yr
Purchase records
$49,763
Total demand
$557.00
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 4, 2026 | 23 | $557.00 | $12,811 | PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT (62860) | 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 |
|---|---|---|---|---|
| Sep 16, 2026 | SPE7MC26V4410 ↗ | LARKOS PACKING AND DISTRIBUTION INC. | — | $24,141 |
| Nov 4, 2026 | SPE7MC27P0372 ↗ | PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT | — | $12,811 |
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
PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT
last award Nov 2026
DETROIT DIESEL CORPORATION
no award yet
no awards on record
Listed source ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC
no award yet
no awards on record
Listed source PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT won the only award on record. PENN POWER GROUP LLC DIV GOVERNMENT SERVICES DEPARTMENT won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7MC-27-T-0476 | Oct 13, 2026 | Oct 23, 2026 | 23 | 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 13, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-342-6000/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4820-01-342-6000/