PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91-BS-78403-1ESocket,turnbutton Fastener

Morito Scovill Americas, Llc Dba Scovill Manufacturing · NSN 5325-00-281-8643 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-281-8643 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-281-8643. Primary manufacturer part number: 91-BS-78403-1E.
Features
  • Socket,turnbutton Fastener — FSC 5325
  • Socket Overall Length: 1.062 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
  • Turnbutton Socket Style: SOCKET
  • Turnbutton Overall Height: 0.312 INCHES NOMINAL IN
  • Socket Overall Width: 0.828 INCHES NOMINAL IN
  • Socket Hole Width: 0.344 INCHES NOMINAL IN
  • Socket Hole Length: 0.578 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Socket,turnbutton Fastener, cataloged under National Stock Number 5325-00-281-8643, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Morito Scovill Americas, Llc Dba Scovill Manufacturing. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-281-8643
Primary Part Number91-BS-78403-1E
Item NameSocket,turnbutton Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerMorito Scovill Americas, Llc Dba Scovill Manufacturing
StatusCANCELLED
Socket Overall Length1.062 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Turnbutton Socket StyleSOCKET
Turnbutton Overall Height0.312 INCHES NOMINAL IN
Socket Overall Width0.828 INCHES NOMINAL IN
Socket Hole Width0.344 INCHES NOMINAL IN
Socket Hole Length0.578 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5120-00-180-0907403 INTERCHANGEABLE
Clamp,c
Diecraft Inc
5977-00-230-6036 INTERCHANGEABLE
Brush,electrical Contact
5977-00-391-979178403 INTERCHANGEABLE
Brush,electrical Contact
Telemechanics Inc
6625-00-827-679878403 INTERCHANGEABLE
Ammeter
Komatsu America Corporation
2920-01-078-5769SAW-10785769 INTERCHANGEABLE
Cover,capacitor,gen
Southern Automotive Wholesalers, Inc
4730-01-367-743178403 INTERCHANGEABLE
Elbow,pipe to Tube
DP Manufacturing Inc.
6240-01-505-742478403 INTERCHANGEABLE
Lamp,fluorescent
Hella Inc
Cross-Reference Index
Part NumberManufacturer
5325002818643 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
BS-78403 Trw Assemblies and Fasteners Group (USA)
91-BS-78403-1E PRIMARY Morito Scovill Americas, Llc Dba Scovill Manufacturing (USA)
78403 Trw Assemblies and Fasteners Group Fasteners Div (USA)
5325PL0815836 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5325002818643 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
91-BS-78403 Morito Scovill Americas, Llc Dba Scovill Manufacturing (USA)
Related Parts
5120-00-180-0907INTERCHANGEABLE
CLAMP,C
403
5977-00-230-6036INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5977-00-391-9791INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
78403
6625-00-827-6798INTERCHANGEABLE
AMMETER
78403
2920-01-078-5769INTERCHANGEABLE
COVER,CAPACITOR,GEN
SAW-10785769
4730-01-367-7431INTERCHANGEABLE
ELBOW,PIPE TO TUBE
78403
6240-01-505-7424INTERCHANGEABLE
LAMP,FLUORESCENT
78403

Frequently Asked Questions

What is NSN 5325-00-281-8643?

NSN 5325-00-281-8643 is a Socket,turnbutton Fastener, manufactured by Morito Scovill Americas, Llc Dba Scovill Manufacturing, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-281-8643?

NSN 5325-00-281-8643 has 7 cross-referenced part numbers: 5325002818643 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), BS-78403 (Trw Assemblies and Fasteners Group), 91-BS-78403-1E (Morito Scovill Americas, Llc Dba Scovill Manufacturing), 78403 (Trw Assemblies and Fasteners Group Fasteners Div), 5325PL0815836 (Jednolity Indeks Materialowy - Uniform Material Index) and 2 more.

What NSN replaces 5325-00-281-8643?

There are 7 known substitutes for 5325-00-281-8643: 5120-00-180-0907, 5977-00-230-6036, 5977-00-391-9791 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91-BS-78403-1E?

Key specifications for 91-BS-78403-1E: Socket Overall Length: 1.062 INCHES NOMINAL IN; Material: COPPER ALLOY OVERALL; Turnbutton Socket Style: SOCKET; Turnbutton Overall Height: 0.312 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-281-8643 still in active supply?

NSN 5325-00-281-8643 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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