Key Set, Socket Head Screw5120-01-628-9541

NSN 5120-01-628-9541 · NIIN 016289541 · Part number J4987

The Stanley Works Dba Stanley Proto · FSC 5120 — Hand Tools, Nonedged, Nonpowered · FSG 51 — Hand Tools · CAGE 1CV05

Government record, cited

NSN 5120-01-628-9541 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-628-9541. Manufacturer of record part number: J4987.

Also searched as 5120-01-628-9541 · 5120016289541 · NIIN 016289541 · 01-628-9541 · FSC 5120 Hand Tools, Nonedged, Nonpowered · CAGE 1CV05 · J4987

Nearby stock numbers ← 5120-01-628-9401 Screwdriver, Flat Tip · 5120-01-628-9590 Inserter, Electrical Contact →

Features

Key Set,socket Head Screw — FSC 5120
Handle Type: L-STYLE
Key Characteristic: CONTAINS HEX KEYS SIZE 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 AND 1/2 IN. IN
Features Provided: LONG SERIES
Key Quantity: 14
Container Type: CASE
Surface Treatment: OXIDE
Material: STEEL

Identification

NSN: 5120-01-628-9541
NIIN: 016289541
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
FSG: 51 — Hand Tools
Primary part number: J4987
Manufacturer: The Stanley Works Dba Stanley Proto

General Description

The Key Set,socket Head Screw, cataloged under National Stock Number 5120-01-628-9541, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is The Stanley Works Dba Stanley Proto. 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	5120-01-628-9541
Primary Part Number	J4987
Item Name	Key Set,socket Head Screw
FSC / FSG	5120 / 51 — Hand Tools, Nonedged, Nonpowered
Manufacturer	The Stanley Works Dba Stanley Proto
Status	ACTIVE
Handle Type	L-STYLE
Key Characteristic	CONTAINS HEX KEYS SIZE 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 AND 1/2 IN. IN
Features Provided	LONG SERIES
Key Quantity	14
Container Type	CASE
Surface Treatment	OXIDE
Material	STEEL

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
J4987 PRIMARY	The Stanley Works Dba Stanley Proto (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 5120-01-628-9541?

NSN 5120-01-628-9541 is a Key Set,socket Head Screw, manufactured by The Stanley Works Dba Stanley Proto, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.

What part numbers are listed for NSN 5120-01-628-9541?

NSN 5120-01-628-9541 has 1 manufacturer part number on file: J4987 (The Stanley Works Dba Stanley Proto).

What are the specifications of J4987?

Key specifications for J4987: Handle Type: L-STYLE; Key Characteristic: CONTAINS HEX KEYS SIZE 0.050, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 AND 1/2 IN. IN; Features Provided: LONG SERIES; Key Quantity: 14. 7 specifications are documented in the U.S. Government catalog.

Is NSN 5120-01-628-9541 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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