PartsTable TECHNICAL DATA SHEET

NSN 4820-01-172-7580Government record, cited

Valve, Safety Relief4820-01-172-7580

NSN 4820-01-172-7580 · NIIN 011727580

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-172-7580 · 4820011727580 · NIIN 011727580 · 01-172-7580 · FSC 4820 Valves, Nonpowered · 103623-01 · 103623-1 · 103356ITEM8 · 103623-0 · 103356

Nearby stock numbers ← 4820-01-172-7568 Seat, Valve · 4820-01-172-7581 Valve, Air, Cam Operation →

4820-01-172-7580 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820

Identification

NSN: 4820-01-172-7580
NIIN: 011727580
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-172-7580, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Valve,safety Relief
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-172-7580
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
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

⇄ Related Items 4

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5340-01-437-68321036231 POSSIBLE MATCH

PLATE,MOUNTING

Possible match (shared part number)Caterpillar Inc Div Caterpillar Defense

1990-01-657-3420103356 POSSIBLE MATCH

ENDCAP

Possible match (shared part number)Hii Unmanned Systems, Inc

6130-01-672-6155103356 POSSIBLE MATCH

POWER SUPPLY

Possible match (shared part number)Systel Inc

5995-01-709-0690103356 POSSIBLE MATCH

CABLE ASSEMBLY,SPECIAL PURPOSE,E

Possible match (shared part number)Lite Coms Llc

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
103623-01	3/9 Design control — primary reference Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland
103623-1	5/9 Secondary reference Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland
103356ITEM8	5/9 Secondary reference Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland
103623-0	5/9 Secondary reference Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland
103356	D/9 Drawing number reference only Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland

Related Parts

5340-01-437-6832POSSIBLE MATCH

PLATE,MOUNTING

1036231

1990-01-657-3420POSSIBLE MATCH

ENDCAP

103356

6130-01-672-6155POSSIBLE MATCH

POWER SUPPLY

103356

5995-01-709-0690POSSIBLE MATCH

CABLE ASSEMBLY,SPECIAL PURPOSE,E

103356

Frequently Asked Questions

What is NSN 4820-01-172-7580?

NSN 4820-01-172-7580 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-172-7580?

4 possible matches (shared part number, not a government interchangeability claim): 5340-01-437-6832, 1990-01-657-3420, 6130-01-672-6155. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-172-7580 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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