Home · FSC 4820 Valves, Nonpowered · NSN 4820-01-474-7838

NSN 4820-01-474-7838 — Valve,Safety Relief

NIIN 01-474-7838 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 4820-01-474-7838 is the national stock number for a valve,safety relief in federal supply class 4820 (Valves, Nonpowered). It cross-references to 1 manufacturer part number from 4 CAGE codes, including Raytheon Company, Us Army Aviation And Missile Command; the primary is 11479375. The unit of issue is EA and the FLIS list price is $15,790.79.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 22, 2026 for $103,062 from Raytheon Company. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part number from 4 CAGEs

open solicitations, all agencies

government buy 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
11479375	3B150	Raytheon Company	3 · Design control (vendor)	2 · Fully interchangeable
11479375	18876	Us Army Aviation And Missile Command	3 · Design control (vendor)	2 · Fully interchangeable
11479375	49956	Raytheon Company	5 · Secondary reference	9 · Reference only
11479375	54X10	Raytheon Company	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 22, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 22, 2026	Raytheon Company 54X10			$103,062	Dla	SPE7MX21D0057

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 11479375.

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

DLA management data

FLIS unit price: $15,790.79
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Valve Operation Method: AUTOMATIC
Operating Pressure: SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 182.0
Nominal Outside Diameter Tube Accommodated: ALL ENDS INCHES 1.000
Special Features: NEXT HIGHER ASSEMBLY NSN 5999-01-411-7098, COOLER, FLUID, ELECTRONIC EQUIPMENT. 82 PLUS/MINUS PSI.SUPPGITEM USED IN A HIGH PURITY COOLING SYSTEM. ST BE THOROUGHLY CLEANED AND FREE FROM GREASE, OIL, FL
Material: OVERALL STEEL CORROSION RESISTING
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE AST- A582, 300 SERIES OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5640, 300 SERIES OR ASSN STD SINGLE MATERIAL RESPONSE A-S5641, 300 SERIES
Media For Which Designed: FIRST RESPONSE ETHYLENE GLYCOL
Media For Which Designed: SECOND RESPONSE WATER-OIL-GAS
Surface Treatment: LOCATION NOT OTHERWISE SPECIFIED PASSIVATE
Surface Treatment Document And Classification: LOCATION NOT OTHERWISE SPECIFIED FED SPEC SINGLE TREATMENT RESPONSE QQ--35

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.