PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4321161Pin,shoulder,headless

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5315-01-483-6749 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-483-6749 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-483-6749. Primary manufacturer part number: 4321161.
Features
  • Pin,shoulder,headless — FSC 5315
  • Thread Quantity Per Inch: 20
  • Shoulder Diameter: 1.310 INCHES NOMINAL IN
  • Shank Length: 1.958 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN
  • Thread Class: 3B
  • First Hole Diameter: 0.660 INCHES NOMINAL IN
  • Second End Style: SQUARE INTERNALLY THREADED
  • Hole Arrangement Style: DRILLED THRU CENTER
Applications
  • Applications requiring Cobalt Alloy Shoulder construction
General Description

The Pin,shoulder,headless, cataloged under National Stock Number 5315-01-483-6749, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5315-01-483-6749
Primary Part Number4321161
Item NamePin,shoulder,headless
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Quantity Per Inch20
Shoulder Diameter1.310 INCHES NOMINAL IN
Shank Length1.958 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN
Thread Class3B
First Hole Diameter0.660 INCHES NOMINAL IN
Second End StyleSQUARE INTERNALLY THREADED
Hole Arrangement StyleDRILLED THRU CENTER
Nominal Thread Size0.437 INCHES IN
MaterialCOBALT ALLOY SHOULDER
Thread DirectionRIGHT-HAND
MaterialCOBALT ALLOY SHANK
Second End Relationship with First EndNOT IDENTICAL
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
First End StyleSQUARE
First End LocationSQUARE END
Shank Diameter0.873 INCHES NOMINAL IN
MaterialNICKEL ALLOY 718 RING
Style DesignatorSHOULDER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-057-5558 INTERCHANGEABLE
Bearing,ball,annular
6625-01-178-4020 INTERCHANGEABLE
Indicator,synchronization
4820-01-564-945295328 INTERCHANGEABLE
Valve Assembly,manifold
Ritchie Engineering Co Inc
3990-01-603-579495328 INTERCHANGEABLE
Tank Unloading Set
Douglas Dynamics Corp Western Products Div
Cross-Reference Index
Part NumberManufacturer
95328 Sps Technologies, Llc Dba PB Fasteners (USA)
4321161 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3110-00-057-5558INTERCHANGEABLE
BEARING,BALL,ANNULAR
6625-01-178-4020INTERCHANGEABLE
INDICATOR,SYNCHRONIZATION
4820-01-564-9452INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
95328
3990-01-603-5794INTERCHANGEABLE
TANK UNLOADING SET
95328

Frequently Asked Questions

What is NSN 5315-01-483-6749?

NSN 5315-01-483-6749 is a Pin,shoulder,headless, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-483-6749?

NSN 5315-01-483-6749 has 2 cross-referenced part numbers: 95328 (Sps Technologies, Llc Dba PB Fasteners), 4321161 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5315-01-483-6749?

There are 4 known substitutes for 5315-01-483-6749: 3110-00-057-5558, 6625-01-178-4020, 4820-01-564-9452 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4321161?

Key specifications for 4321161: Thread Quantity Per Inch: 20; Shoulder Diameter: 1.310 INCHES NOMINAL IN; Shank Length: 1.958 INCHES MINIMUM AND 1.960 INCHES MAXIMUM IN; Thread Class: 3B. 21 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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