PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64127-1032Nut,plain,extended Washer,double

Sps Technologies, Llc Dba PB Fasteners · NSN 5310-00-905-4981 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-905-4981 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-905-4981. Primary manufacturer part number: 64127-1032.
Features
  • Nut,plain,extended Washer,double — FSC 5310
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.190 INCHES IN
  • Washer Thickness: 0.056 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Thread Quantity Per Inch: 32
  • Thread Series: UNF
  • Nut Style: DOUBLE HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,extended Washer,double, cataloged under National Stock Number 5310-00-905-4981, 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. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-905-4981
Primary Part Number64127-1032
Item NameNut,plain,extended Washer,double
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
MaterialSTEEL OVERALL
Nominal Thread Size0.190 INCHES IN
Washer Thickness0.056 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Thread Quantity Per Inch32
Thread SeriesUNF
Nut StyleDOUBLE HEXAGON
Temp Rating450.0 CELSIUS NOMINAL DEGC
Width Across Flats0.241 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Washer Outside Diameter0.335 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN
Thread Class3B
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-575-7134H28-3 INTERCHANGEABLE
Gasket
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
5340-00-677-3103H28-3 INTERCHANGEABLE
Catch,clamping
Hartwell Corporation
6115-00-947-3931H283 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
5950-00-989-9828H283 INTERCHANGEABLE
Transformer,audio Frequency
Magnetika Inc
Cross-Reference Index
Part NumberManufacturer
64127-1032 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
52LH7611-3 Harvard Industries Inc (USA)
C396-3 Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
H28-3 PRIMARY Howmet Global Fastening Systems Inc (USA)
Related Parts
5330-00-575-7134INTERCHANGEABLE
GASKET
H28-3
5340-00-677-3103INTERCHANGEABLE
CATCH,CLAMPING
H28-3
6115-00-947-3931INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
H283
5950-00-989-9828INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
H283

Frequently Asked Questions

What is NSN 5310-00-905-4981?

NSN 5310-00-905-4981 is a Nut,plain,extended Washer,double, 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 5310-00-905-4981?

NSN 5310-00-905-4981 has 4 cross-referenced part numbers: 64127-1032 (Sps Technologies, Llc Dba PB Fasteners), 52LH7611-3 (Harvard Industries Inc), C396-3 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company), H28-3 (Howmet Global Fastening Systems Inc).

What NSN replaces 5310-00-905-4981?

There are 4 known substitutes for 5310-00-905-4981: 5330-00-575-7134, 5340-00-677-3103, 6115-00-947-3931 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 64127-1032?

Key specifications for 64127-1032: Material: STEEL OVERALL; Nominal Thread Size: 0.190 INCHES IN; Washer Thickness: 0.056 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 13 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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