PartsTable TECHNICAL DATA SHEET

NSN 4820-01-481-7940Government record, cited

Valve, Relief, Pressure and Temper4820-01-481-7940

NSN 4820-01-481-7940 · NIIN 014817940 · Part number 863-410904

Guild Associates Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 4X630

Government record, cited

NSN 4820-01-481-7940 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-481-7940. Manufacturer of record part number: 863-410904.

Also searched as 4820-01-481-7940 · 4820014817940 · NIIN 014817940 · 01-481-7940 · FSC 4820 Valves, Nonpowered · CAGE 4X630 · 863-410904 · 12643410 · 5A709

Nearby stock numbers ← 4820-01-481-7939 Valve, Relief, Pressure and Temper · 4820-01-481-7941 Cartridge, Check Valve →

4820-01-481-7940 — Valves, Nonpowered

Features

Valve,relief,pressure and Temper — FSC 4820
2 manufacturer part numbers on file
Manufacturer of record: Guild Associates Inc

Identification

NSN: 4820-01-481-7940
NIIN: 014817940
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 863-410904
Manufacturer: Guild Associates Inc

General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-481-7940, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Guild Associates Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-481-7940
Primary Part Number	863-410904
Item Name	Valve,relief,pressure and Temper
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Guild Associates Inc
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
863-410904 PRIMARY	Guild Associates Inc (USA)
5A709	W.w. Grainger, Inc. Div Government Sales Division (USA)

Reference documents

Reference	Meaning
12643410	7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-481-7940?

NSN 4820-01-481-7940 is a Valve,relief,pressure and Temper, manufactured by Guild Associates Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-481-7940?

NSN 4820-01-481-7940 has 2 manufacturer part numbers on file: 863-410904 (Guild Associates Inc), 5A709 (W.w. Grainger, Inc. Div Government Sales Division).

What are the specifications of 863-410904?

Key specifications for 863-410904: End Item Identification: CONTRACTOR LOGISITC SUPPORT MODEL M871, 30-FOOT TRAILER, LAUNDRY ADVANCED SYSTEM (LADDS), NSN 2330-00-122-6779 CONTRACT DAAK60-97-C-9222 TM 9-3510-122-24P. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-481-7940 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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