PartsTable TECHNICAL DATA SHEET

NSN 4820-01-173-8448Government record, cited

Cap, Valve4820-01-173-8448

NSN 4820-01-173-8448 · NIIN 011738448

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-173-8448 · 4820011738448 · NIIN 011738448 · 01-173-8448 · FSC 4820 Valves, Nonpowered · 508-4325677 PIECE 6 · 508-4325677 · 2289-24 · 2289-24 PIECE 6

Nearby stock numbers ← 4820-01-173-8447 Cap, Valve · 4820-01-173-8463 Valve, Linear, Directional Control →

4820-01-173-8448 — Valves, Nonpowered

Features

Cap,valve — FSC 4820

Identification

NSN: 4820-01-173-8448
NIIN: 011738448
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Cap,valve, cataloged under National Stock Number 4820-01-173-8448, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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	Cap,valve
FSC / FSG	4820 — Valves, Nonpowered (FSG 48)

Technical Specifications

Parameter	Value
NSN	4820-01-173-8448
Item Name	Cap,valve
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.

4810-01-413-7816508-4325677 PIECE 9 POSSIBLE MATCH

RETAINER,DISK,VALVE

Possible match (shared part number)Naval Ship Systems Command

4810-01-414-0410508-4325677 ASSY 99 POSSIBLE MATCH

VALVE ASSEMBLY

Possible match (shared part number)Naval Ship Systems Command

4820-01-414-7980508-4325677 ASSY 97 POSSIBLE MATCH

VALVE ASSEMBLY,MANIFOLD

Possible match (shared part number)Naval Ship Systems Command

4810-01-415-8289508-4325677 ASSY 95 POSSIBLE MATCH

VALVE ASSEMBLY,MANIFOLD

Possible match (shared part number)Naval Ship Systems Command

Cross-Reference Index

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

Reference documents

Reference	Meaning
508-4325677 PIECE 6	3/2 Design control — primary reference U.S. Government activity
508-4325677	D/9 Drawing number reference only U.S. Government activity
2289-24	D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding
2289-24 PIECE 6	5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding

Related Parts

4810-01-413-7816POSSIBLE MATCH

RETAINER,DISK,VALVE

508-4325677 PIECE 9

4810-01-414-0410POSSIBLE MATCH

VALVE ASSEMBLY

508-4325677 ASSY 99

4820-01-414-7980POSSIBLE MATCH

VALVE ASSEMBLY,MANIFOLD

508-4325677 ASSY 97

4810-01-415-8289POSSIBLE MATCH

VALVE ASSEMBLY,MANIFOLD

508-4325677 ASSY 95

Frequently Asked Questions

What is NSN 4820-01-173-8448?

NSN 4820-01-173-8448 is a Cap,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.

What NSN replaces 4820-01-173-8448?

4 possible matches (shared part number, not a government interchangeability claim): 4810-01-413-7816, 4810-01-414-0410, 4820-01-414-7980. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-173-8448 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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