FSC 4820 × VALVE,SAFETY RELIEF

VALVE,SAFETY RELIEF

4820-01-385-0125 FSC 4820

NSN 4820-01-385-0125 (also written 4820013850125; NIIN 01-385-0125) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

Open for bid

1 open solicitation on record right now — quantity, close date, and where to submit.

Solicitation	Qty	Status
SPE7M4-27-T-0501	17	Closes today	Bid →

Can you win it?

This item is coded as suitable for competitive acquisition (AMC 1).

Acquisition method (AMC)

Suffix (AMSC)

Competition

Coded for competition

AMC 1: suitable for competitive acquisition, 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
END ITEM IDENTIFICATION AGAV	ACFT, TYPE B-2
CRITICALITY CODE JUSTIFICATION CRTL	AGAV
SPECIAL FEATURES FEAT	CONSISTS OF THE FOLLOWING ITEMS, CAGE CODE 81205: 1 SPRING, P/N DAA3221D607-015; 1 LAP ASSY, P/N DAA3222A702-001; 3 SHIMS, RELIEF VALVE, P/N DAA3222D710-001; 3 SHIMS, RELIEF VALVE, P/N DAA3222D710-003; 1 CAP, RELIEF VALVE, P/N DAA3222D714-001; 1 SHEAR RING, P/N DAA3222D715-003; 1 SPRING SEAT, P/N DAA3222D717-001; 1 SPRING SEAT, P/N DAA3222D717-0003; 1 RETAINER, P/N DAA3222D718-001; 1 FLOW CONTROL, P/N DAA 3222D720-001; MEDIA: FLUID, MIL-H-5606 MIL-H-5606

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
DAA3222A703-003	1W025	NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS
DAA3222A703-003	65534	ALEK INDUSTRIES INC
DAA3222A703-003	81205	THE BOEING COMPANY DIV DEFENSE

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

Total spend

—

Last purchased

—

Purchase records

—

Total demand

—

Latest award total

Compare with other items

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.

No related contract actions on record.

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.

Solicitation	Issued	Closes / closed	Qty	Status
SPE7M4-27-T-0501	Oct 9, 2026	Oct 19, 2026	17	Open	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.
Full methodology →

Cite this page

Citation

NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-385-0125/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/4820-01-385-0125/