PartsTable TECHNICAL DATA SHEET

NSN 5305-01-646-1957Government record, cited

Screw, Close Tolerance5305-01-646-1957

NSN 5305-01-646-1957 · NIIN 016461957 · Part number JSFB25E3-7

Fastener Technology Corp · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 58794

Government record, cited

NSN 5305-01-646-1957 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-646-1957. Manufacturer of record part number: JSFB25E3-7.

Also searched as 5305-01-646-1957 · 5305016461957 · NIIN 016461957 · 01-646-1957 · FSC 5305 Screws · CAGE 58794 · JSFB25E3-7

Nearby stock numbers ← 5305-01-646-1956 Screw, Close Tolerance · 5305-01-646-1958 Screw, Close Tolerance →

5305-01-646-1957 — Screws

Features

Screw,close Tolerance — FSC 5305
1 manufacturer part number on file
Manufacturer of record: Fastener Technology Corp

Identification

NSN: 5305-01-646-1957
NIIN: 016461957
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: JSFB25E3-7
Manufacturer: Fastener Technology Corp

General Description

The Screw,close Tolerance, cataloged under National Stock Number 5305-01-646-1957, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Fastener Technology Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Screw,close Tolerance
FSC / FSG	5305 — Screws (FSG 53)
Manufacturers	Fastener Technology Corp (CAGE 58794)

Technical Specifications

Parameter	Value
NSN	5305-01-646-1957
Primary Part Number	JSFB25E3-7
Item Name	Screw,close Tolerance
FSC / FSG	5305 / 53 — Screws
Manufacturer	Fastener Technology Corp
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
JSFB25E3-7 PRIMARY	Fastener Technology Corp (USA)

Reference documents

Reference	Meaning
JSFB25E3-7	1/2 Source control — Government-approved source 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 5305-01-646-1957?

NSN 5305-01-646-1957 is a Screw,close Tolerance, manufactured by Fastener Technology Corp, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-646-1957?

NSN 5305-01-646-1957 has 1 manufacturer part number on file: JSFB25E3-7 (Fastener Technology Corp).

Is NSN 5305-01-646-1957 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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