PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73783CM-1032Nut,self-Locking,extended Washer

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-01-281-8551 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-281-8551 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-281-8551. Primary manufacturer part number: 73783CM-1032.
Features
  • Nut,self-Locking,extended Washer — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Sps Technologies, Llc Dba PB Fasteners
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-281-8551, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-281-8551
Primary Part Number73783CM-1032
Item NameNut,self-Locking,extended Washer
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-01-296-063373783CM1032 INTERCHANGEABLE
Nut,plain,extended Washer,hexago
Sps Technologies, Llc Dba PB Fasteners
Cross-Reference Index
Part NumberManufacturer
73783CM-1032 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
03A187-3L Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA)
BH187-3 Bristol Industries, Llc (USA)
Related Parts
5310-01-296-0633INTERCHANGEABLE
NUT,PLAIN,EXTENDED WASHER,HEXAGO
73783CM1032

Frequently Asked Questions

What is NSN 5310-01-281-8551?

NSN 5310-01-281-8551 is a Nut,self-Locking,extended Washer, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-281-8551?

NSN 5310-01-281-8551 has 3 cross-referenced part numbers: 73783CM-1032 (Sps Technologies, Llc Dba PB Fasteners), 03A187-3L (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), BH187-3 (Bristol Industries, Llc).

What NSN replaces 5310-01-281-8551?

There is 1 known substitute for 5310-01-281-8551: 5310-01-296-0633. Verify interchangeability with system specifications before substitution.

What are the specifications of 73783CM-1032?

Key specifications for 73783CM-1032: End Item Identification: PACER SPECIAL. 1 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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