FSC 4820 × VALVE,SAFETY RELIEF

VALVE,SAFETY RELIEF

4820-01-045-4798 FSC 4820

NSN 4820-01-045-4798 (also written 4820010454798; NIIN 01-045-4798) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

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 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
THREAD DIRECTION AAJF	FIRST END RIGHT-HAND
FLOW CONTROL DEVICE ADQU	POPPET
BONNET TYPE ADSR	INSIDE SPRING
BONNET ATTACHMENT METHOD ADST	INTEGRAL
DISK LOADING METHOD ADSU	SPRING
VALVE DISCHARGE FLOW RATE ADSY	LITERS PER MINUTE 10.0
MAXIMUM OPERATING TEMP AEHZ	SINGLE RESPONSE CELSIUS 121.0
CONNECTION STYLE AHNC	—
VALVE OPERATION METHOD AQLR	AUTOMATIC
CONNECTION TYPE AWLS	FIRST END THREADED EXTERNAL PIPE
NOMINAL THREAD SIZE CQJX	FIRST END INCHES 0.125
OPENING PRESSURE SETTING CSDC	POUNDS PER SQUARE INCH 1.5
SPECIAL FEATURES FEAT	HEX. 0.500 IN. ACROSS FLATS
MATERIAL MATT	BODY STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316
MATERIAL DOCUMENT AND CLASSIFICATION MDCL	BODY FED SPEC ALL MATERIAL RESPONSES QQ-S-763 QQ-S-763
MEDIA FOR WHICH DESIGNED MEDA	SINGLE RESPONSE GAS, NATURAL
SURFACE TREATMENT SFTT	LOCATION NOT OTHERWISE SPECIFIED PASSIVATE
STYLE DESIGNATOR STYL	—
THREAD SERIES DESIGNATOR THSD	FIRST END NPT

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
588.10-100000-003	D0078	DIEHL DEFENCE GMBH & CO. KG
639AS595	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
806R1A02	08996	SAF INDUSTRIES LLC DBA GENERAL PNEUMATICS
806RLA02-3	08996	SAF INDUSTRIES LLC DBA GENERAL PNEUMATICS

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
SPE7MC-26-T-274R	Sep 16, 2026	Sep 28, 2026	11	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.
Full methodology →

Cite this page

Citation

NSN Explorer. "VALVE,SAFETY RELIEF." nsnexplorer.com, https://nsnexplorer.com/nsn/4820-01-045-4798/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/4820-01-045-4798/