Home · FSC 4820 Valves, Nonpowered · NSN 4820-01-679-3130

NSN 4820-01-679-3130 — Valve,Safety Relief

NIIN 01-679-3130 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

Used on: B-52 Stratofortress · all platforms

NSN 4820-01-679-3130 is the national stock number for a valve,safety relief in federal supply class 4820 (Valves, Nonpowered). It cross-references to 3 manufacturer part numbers from 1 CAGE code, including Aerocontrolex Group, Inc.; the primary is 100-920. The federal catalog ties it to the B-52 Stratofortress. The unit of issue is EA and the FLIS list price is $13,285.37.

The U.S. government has bought this item 1 time on record, most recently on April 16, 2020 at $9,974.00 each from Aerocontrolex Group, Inc.. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part numbers from 1 CAGE

open solicitations, all agencies

government buys in 24 months

sellers with confirmed stock

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
5100920005	81833	Aerocontrolex Group, Inc.	3 · Design control (vendor)	2 · Fully interchangeable
100-920-5	81833	Aerocontrolex Group, Inc.	5 · Secondary reference	2 · Fully interchangeable
100-920	81833	Aerocontrolex Group, Inc.	D	9 · Reference only

Government demand

Nothing open right now. Last government buy Apr 16, 2020. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Apr 16, 2020	Aerocontrolex Group, Inc. 81833	1	$9,974.00		Dla	SPE7M020P2655

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy on record in total.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 100-920.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $13,285.37
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Maximum Operating Temp: SINGLE RESPONSE CELSIUS 55.0
End Item Identification: B52H/ALALR20A
Operating Pressure: SINGLE RESPONSE POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM 29.0
Face To Face Distance: INCHES 3.00
Part Name Assigned By Controlling Agency: DIFFERENTIAL RELIEF VALVE
Proprietary Characteristics: PACS

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.