Parts Kit, Safety Relief Valve4820-01-556-5396

NSN 4820-01-556-5396 · NIIN 015565396 · Part number 2588031C91

Nd Defense Llc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 338X5

Government record, cited

NSN 4820-01-556-5396 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-556-5396. Manufacturer of record part number: 2588031C91.

Also searched as 4820-01-556-5396 · 4820015565396 · NIIN 015565396 · 01-556-5396 · FSC 4820 Valves, Nonpowered · CAGE 338X5 · 2588031C91

Nearby stock numbers ← 4820-01-556-5304 Cock, Plug · 4820-01-556-5864 →

4820-01-556-5396 — Valves, Nonpowered

Features

Parts Kit,safety Relief Valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Nd Defense Llc

Identification

NSN: 4820-01-556-5396
NIIN: 015565396
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2588031C91
Manufacturer: Nd Defense Llc

General Description

The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-556-5396, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Nd Defense Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-556-5396
Primary Part Number	2588031C91
Item Name	Parts Kit,safety Relief Valve
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Nd Defense Llc
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
2588031C91 PRIMARY	Nd Defense Llc (USA)

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 4820-01-556-5396?

NSN 4820-01-556-5396 is a Parts Kit,safety Relief Valve, manufactured by Nd Defense Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-556-5396?

NSN 4820-01-556-5396 has 1 manufacturer part number on file: 2588031C91 (Nd Defense Llc).

What are the specifications of 2588031C91?

Key specifications for 2588031C91: Part Name Assigned by Controlling Agency: KIT,RELIEF VALVE SPRING; End Item Identification: MRAP - UNIQUE NSN - MAXXPRO CAT I. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-556-5396 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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