PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C040Pin,straight,threaded

Atkinson Guy F Co Willamette Iron and Steel Co Div · NSN 5315-01-066-3963 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-066-3963 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-066-3963. Primary manufacturer part number: C040.
Features
  • Pin,straight,threaded — FSC 5315
  • Pin Grip Length: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
  • Criticality Code Justification: ZZZYZZZY
  • Surface Treatment: PHOSPHATE OVERALL
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL QUALITY CONTROL PROVISIONS
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Thread Class: 2A2A
Applications
  • Applications requiring Steel Overall construction
General Description

The Pin,straight,threaded, cataloged under National Stock Number 5315-01-066-3963, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atkinson Guy F Co Willamette Iron and Steel Co Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-066-3963
Primary Part NumberC040
Item NamePin,straight,threaded
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerAtkinson Guy F Co Willamette Iron and Steel Co Div
StatusACTIVE
Pin Grip Length1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
Criticality Code JustificationZZZYZZZY
Surface TreatmentPHOSPHATE OVERALL
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL QUALITY CONTROL PROVISIONS
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A2A
First End Taper Length0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN
Thread DirectionRIGHT-HANDRIGHT-HAND
Pin Overall Length2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
Second End StyleSQUARESQUARE
Thread Length1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
First End StyleCHAMFEREDCHAMFERED
First End LocationCHAMFERED ENDCHAMFERED END
Nominal Thread Size0.750 INCHES0.750 INCHES IN
Pin Overall Diameter0.7500 INCHES NOMINAL0.7500 INCHES NOMINAL IN
Second End Relationship with First EndNOT IDENTICALNOT IDENTICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-151-8898C043 INTERCHANGEABLE
Nut,plain,hexagon
Band-It-Idex Inc Unit of Idex Corp
5315-01-677-3863 INTERCHANGEABLE
Pin,straight,threaded
Cross-Reference Index
Part NumberManufacturer
C040 Atkinson Guy F Co Willamette Iron and Steel Co Div (USA)
C-041-1101 Bingham-Willamette Co Div of Guy F Atkinson Co (USA)
C041-1101 Atkinson Guy F Co Willamette Iron and Steel Co Div (USA)
Related Parts
5310-00-151-8898INTERCHANGEABLE
NUT,PLAIN,HEXAGON
C043
5315-01-677-3863INTERCHANGEABLE
PIN,STRAIGHT,THREADED

Frequently Asked Questions

What is NSN 5315-01-066-3963?

NSN 5315-01-066-3963 is a Pin,straight,threaded, manufactured by Atkinson Guy F Co Willamette Iron and Steel Co Div, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-066-3963?

NSN 5315-01-066-3963 has 3 cross-referenced part numbers: C040 (Atkinson Guy F Co Willamette Iron and Steel Co Div), C-041-1101 (Bingham-Willamette Co Div of Guy F Atkinson Co), C041-1101 (Atkinson Guy F Co Willamette Iron and Steel Co Div).

What NSN replaces 5315-01-066-3963?

There are 2 known substitutes for 5315-01-066-3963: 5310-00-151-8898, 5315-01-677-3863. Verify interchangeability with system specifications before substitution.

What are the specifications of C040?

Key specifications for C040: Pin Grip Length: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN; Criticality Code Justification: ZZZYZZZY; Surface Treatment: PHOSPHATE OVERALL; Special Features: FOUR WRENCHING FLATS ON UNTHREADED SHANKFOUR WRENCHING FLATS ON UNTHREADED SHANK. 18 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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