Wrench, Ratchet5120-01-541-0447

NSN 5120-01-541-0447 · NIIN 015410447 · Part number ATBRO-2528

Us Air Tool Co., Inc. · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 58150

Government record, cited

NSN 5120-01-541-0447 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-541-0447. Manufacturer of record part number: ATBRO-2528.

Also searched as 5120-01-541-0447 · 5120015410447 · NIIN 015410447 · 01-541-0447 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 58150 · ATBRO-2528

Nearby stock numbers ← 5120-01-540-9621 Spatula · 5120-01-541-0448 Wrench, Ratchet →

Features

Wrench,ratchet — FSC 5120
Large End Head Thickness: 0.375 INCHES NOMINAL IN
Small End Head Thickness: 0.375 INCHES NOMINAL IN
Wrenching Surface Size: 0.281 INCHES NOMINAL SECOND END IN
Wrenching Surface Size: 0.250 INCHES NOMINAL FIRST END IN
Style Designator: STRAIGHT DOUBLE HEAD
Wrenching Surface Shape: 6 POINT BOTH ENDS INTERNAL
Material: STEEL OVERALL

Identification

NSN: 5120-01-541-0447
NIIN: 015410447
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: ATBRO-2528
Manufacturer: Us Air Tool Co., Inc.

General Description

The Wrench,ratchet, cataloged under National Stock Number 5120-01-541-0447, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Us Air Tool Co., Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5120-01-541-0447
Primary Part Number	ATBRO-2528
Item Name	Wrench,ratchet
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	Us Air Tool Co., Inc.
Status	ACTIVE
Large End Head Thickness	0.375 INCHES NOMINAL IN
Small End Head Thickness	0.375 INCHES NOMINAL IN
Wrenching Surface Size	0.281 INCHES NOMINAL SECOND END IN
Wrenching Surface Size	0.250 INCHES NOMINAL FIRST END IN
Style Designator	STRAIGHT DOUBLE HEAD
Wrenching Surface Shape	6 POINT BOTH ENDS INTERNAL
Material	STEEL OVERALL

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
ATBRO-2528 PRIMARY	Us Air Tool Co., Inc. (USA)

No interchangeability data on file.

Other items in FSC 5120 — Hand Tools, Nonedged, Nonpowered

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

5120-00-001-2642

ADAPTER,TORQUE WRENCH

5120-00-001-2644

ADAPTER,TORQUE WRENCH

5120-00-001-2650

INSERTER,SEAL

5120-00-001-2651

5120-00-001-2651 · Item name not on file

5120-00-001-2652

INSTALLING TOOL,SHAFT

5120-00-001-2653

REMOVER,PREFORMED PACKING

5120-00-001-2654

REMOVER,PREFORMED PACKING

5120-00-001-2655

SOCKET,WRENCH,FACE SPANNER

Frequently Asked Questions

What is NSN 5120-01-541-0447?

NSN 5120-01-541-0447 is a Wrench,ratchet, manufactured by Us Air Tool Co., Inc., classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-541-0447?

NSN 5120-01-541-0447 has 1 manufacturer part number on file: ATBRO-2528 (Us Air Tool Co., Inc.).

What are the specifications of ATBRO-2528?

Key specifications for ATBRO-2528: Large End Head Thickness: 0.375 INCHES NOMINAL IN; Small End Head Thickness: 0.375 INCHES NOMINAL IN; Wrenching Surface Size: 0.281 INCHES NOMINAL SECOND END IN; Wrenching Surface Size: 0.250 INCHES NOMINAL FIRST END IN. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-541-0447 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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