PartsTable TECHNICAL DATA SHEET

NSN 5305-01-439-7657Government record, cited

Setscrew5305-01-439-7657

NSN 5305-01-439-7657 · NIIN 014397657 · Part number 522C682091

Northrop Grumman Systems Corporation · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 055V9

Government record, cited

NSN 5305-01-439-7657 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-439-7657. Manufacturer of record part number: 522C682091.

Also searched as 5305-01-439-7657 · 5305014397657 · NIIN 014397657 · 01-439-7657 · FSC 5305 Screws · CAGE 055V9 · 522C682091

Nearby stock numbers ← 5305-01-439-7647 Screw, Cap, Hexagon Head · 5305-01-439-7659 Setscrew →

5305-01-439-7657 — Screws

Features

Setscrew — FSC 5305
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation

Identification

NSN: 5305-01-439-7657
NIIN: 014397657
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: 522C682091
Manufacturer: Northrop Grumman Systems Corporation

General Description

The Setscrew, cataloged under National Stock Number 5305-01-439-7657, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	5305-01-439-7657
Primary Part Number	522C682091
Item Name	Setscrew
FSC / FSG	5305 / 53 — Screws
Manufacturer	Northrop Grumman Systems Corporation
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
522C682091 PRIMARY	Northrop Grumman Systems Corporation (USA)

Reference documents

Reference	Meaning
522C682091	5/9 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 5305 — Screws

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

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-0094

SCREW,CLOSE TOLERANCE

5305-00-000-1397

5305-00-000-1397 · Item name not on file

5305-00-000-2625

5305-00-000-2625 · Item name not on file

5305-00-000-3669

5305-00-000-3669 · Item name not on file

5305-00-000-3830

5305-00-000-3830 · Item name not on file

5305-00-000-3831

5305-00-000-3831 · Item name not on file

Frequently Asked Questions

What is NSN 5305-01-439-7657?

NSN 5305-01-439-7657 is a Setscrew, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-439-7657?

NSN 5305-01-439-7657 has 1 manufacturer part number on file: 522C682091 (Northrop Grumman Systems Corporation).

What are the specifications of 522C682091?

Key specifications for 522C682091: Part Name Assigned by Controlling Agency: SETSCREW. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-439-7657 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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