PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11B5090377Key,socket Head Screw

Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army · NSN 5120-01-658-9581 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-658-9581 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-658-9581. Primary manufacturer part number: 11B5090377.
Features
  • Key,socket Head Screw — FSC 5120
  • Material: STEEL OVERALL
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Wrenching Surface Shape: 6 POINT STAR SINGLE END EXTERNAL
  • 3 verified cross-references
  • Primary manufacturer: Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-658-9581, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-658-9581
Primary Part Number11B5090377
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerDevcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army
StatusACTIVE
MaterialSTEEL OVERALL
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Wrenching Surface Shape6 POINT STAR SINGLE END EXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6645-00-248-5431 INTERCHANGEABLE
Holder,indicator Cell
3030-00-528-4271 INTERCHANGEABLE
Belts,v,matched Set
1005-00-533-4160 INTERCHANGEABLE
Actuator Assy,sear
5307-00-567-309311A8279 INTERCHANGEABLE
Stud,plain
Napco International Llc Dba Napco International Inc
5365-01-422-930266610X-X-C ITEM NO 116 INTERCHANGEABLE
Spacer,sleeve
Ingersoll-Rand Company Dba Ingersoll-Rand
Cross-Reference Index
Part NumberManufacturer
92006 Dorian Tool Intl Inc (USA)
11B5090377 PRIMARY Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA)
B18.3 The American Society of Mechanical Engineers (USA)
Related Parts
6645-00-248-5431INTERCHANGEABLE
HOLDER,INDICATOR CELL
3030-00-528-4271INTERCHANGEABLE
BELTS,V,MATCHED SET
1005-00-533-4160INTERCHANGEABLE
ACTUATOR ASSY,SEAR
5307-00-567-3093INTERCHANGEABLE
STUD,PLAIN
11A8279
5365-01-422-9302INTERCHANGEABLE
SPACER,SLEEVE
66610X-X-C ITEM NO 116

Frequently Asked Questions

What is NSN 5120-01-658-9581?

NSN 5120-01-658-9581 is a Key,socket Head Screw, manufactured by Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-658-9581?

NSN 5120-01-658-9581 has 3 cross-referenced part numbers: 92006 (Dorian Tool Intl Inc), 11B5090377 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), B18.3 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-658-9581?

There are 5 known substitutes for 5120-01-658-9581: 6645-00-248-5431, 3030-00-528-4271, 1005-00-533-4160 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11B5090377?

Key specifications for 11B5090377: Overall Length: 3.150 INCHES NOMINAL IN; Material: STEEL OVERALL; Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Special Features: FLAG TYPE HANDLE; TORX SIZE T-15. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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