Screw, Cap, Socket Head5305-01-155-8591

NSN 5305-01-155-8591 · NIIN 011558591 · Part number 203-4457005PC85

Huntington Ingalls Inc Div Newport News Shipbuilding · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 43689

Government record, cited

NSN 5305-01-155-8591 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-155-8591. Manufacturer of record part number: 203-4457005PC85.

Also searched as 5305-01-155-8591 · 5305011558591 · NIIN 011558591 · 01-155-8591 · FSC 5305 Screws · CAGE 43689 · 203-4457005PC85

Nearby stock numbers ← 5305-01-155-8562 · 5305-01-155-8592 →

5305-01-155-8591 — Screws

Features

Screw,cap,socket Head — FSC 5305
1 manufacturer part number on file
Manufacturer of record: Huntington Ingalls Inc Div Newport News Shipbuilding

Identification

NSN: 5305-01-155-8591
NIIN: 011558591
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 203-4457005PC85
Manufacturer: Huntington Ingalls Inc Div Newport News Shipbuilding

General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-155-8591, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Screw,cap,socket Head
FSC / FSG	5305 — Screws (FSG 53)
Manufacturers	Huntington Ingalls Inc Div Newport News Shipbuilding (CAGE 43689)

Technical Specifications

Parameter	Value
NSN	5305-01-155-8591
Primary Part Number	203-4457005PC85
Item Name	Screw,cap,socket Head
FSC / FSG	5305 / 53 — Screws
Manufacturer	Huntington Ingalls Inc Div Newport News Shipbuilding
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 1

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

5305-01-683-1096 POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Possible match (shared part number)

Cross-Reference Index

Part Number	Manufacturer
203-4457005PC85 PRIMARY	Huntington Ingalls Inc Div Newport News Shipbuilding (USA)

Related Parts

5305-01-683-1096POSSIBLE MATCH

SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5305-01-155-8591?

NSN 5305-01-155-8591 is a Screw,cap,socket Head, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-155-8591?

NSN 5305-01-155-8591 has 1 manufacturer part number on file: 203-4457005PC85 (Huntington Ingalls Inc Div Newport News Shipbuilding).

What NSN replaces 5305-01-155-8591?

1 possible match (shared part number, not a government interchangeability claim): 5305-01-683-1096. Verify interchangeability with system specifications before substitution.

Is NSN 5305-01-155-8591 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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