Thumbscrew5305-01-503-1799

NSN 5305-01-503-1799 · NIIN 015031799 · Part number IS5

Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc · FSC 5305 — Screws · FSG 53 — Hardware and Abrasives · CAGE 0BT64

Government record, cited

NSN 5305-01-503-1799 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-503-1799. Manufacturer of record part number: IS5.

Also searched as 5305-01-503-1799 · 5305015031799 · NIIN 015031799 · 01-503-1799 · FSC 5305 Screws · CAGE 0BT64 · IS5 · IS-5

Nearby stock numbers ← 5305-01-503-1783 Screw, Cap, Socket Head · 5305-01-503-1831 Screw, Panel Fastener →

5305-01-503-1799 — Screws

Features

Thumbscrew — FSC 5305
2 manufacturer part numbers on file
Manufacturer of record: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc

Identification

NSN: 5305-01-503-1799
NIIN: 015031799
FSC: 5305 — Screws
FSG: 53 — Hardware and Abrasives
Primary part number: IS5
Manufacturer: Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc

General Description

The Thumbscrew, cataloged under National Stock Number 5305-01-503-1799, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5305-01-503-1799
Primary Part Number	IS5
Item Name	Thumbscrew
FSC / FSG	5305 / 53 — Screws
Manufacturer	Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
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
IS5 PRIMARY	Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc (USA)
IS-5	Riflecraft Limited (GBR)

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 5305-01-503-1799?

NSN 5305-01-503-1799 is a Thumbscrew, manufactured by Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc, classified under FSC 5305, Screws. Status: active.

What part numbers are listed for NSN 5305-01-503-1799?

NSN 5305-01-503-1799 has 2 manufacturer part numbers on file: IS5 (Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc), IS-5 (Riflecraft Limited).

What are the specifications of IS5?

Key specifications for IS5: End Item Identification: BARRETT M82A1 50 CALIBER SYSTEM. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5305-01-503-1799 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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