PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125203Pin,straight,headless

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5315-01-249-0553 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-249-0553 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-249-0553. Primary manufacturer part number: 125203.
Features
  • Pin,straight,headless — FSC 5315
  • First End Taper Length: 0.062 INCHES NOMINAL IN
  • Second End Style: SQUARE INTERNALLY THREADED
  • First End Taper Angle: 45.0 DEGREES NOMINAL
  • Precious Material: SILVER
  • Surface Treatment Document and Classification: GPS20-200,TY 1,CAGEC 24930 MFR REF SINGLE TREATMENT RESPONSE OVERALL
  • Precious Material and Location: BRAZED TO CENTER OF SECOND PIN SILVER
  • Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 303SE Overall construction
General Description

The Pin,straight,headless, cataloged under National Stock Number 5315-01-249-0553, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-249-0553
Primary Part Number125203
Item NamePin,straight,headless
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
First End Taper Length0.062 INCHES NOMINAL IN
Second End StyleSQUARE INTERNALLY THREADED
First End Taper Angle45.0 DEGREES NOMINAL
Precious MaterialSILVER
Surface Treatment Document and ClassificationGPS20-200,TY 1,CAGEC 24930 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Precious Material and LocationBRAZED TO CENTER OF SECOND PIN SILVER
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 303 OR STEEL COMP 303SE OVERALL
Surface TreatmentPASSIVATE OVERALL
Pin Overall Diameter0.6250 INCHES NOMINAL IN
First End StyleCHAMFERED
Second End Relationship with First EndNOT IDENTICAL
Pin Overall Length2.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6685-00-407-0670125-203 INTERCHANGEABLE
Thermowell
Rochester Sensors, Llc
1560-00-997-250811281 INTERCHANGEABLE
Tube Assembly,bleed
Fmh Aerospace Corp.
5331-01-463-9932125203 INTERCHANGEABLE
O-Ring
Brp Us Inc
Cross-Reference Index
Part NumberManufacturer
125203 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
6685-00-407-0670INTERCHANGEABLE
THERMOWELL
125-203
1560-00-997-2508INTERCHANGEABLE
TUBE ASSEMBLY,BLEED
11281
5331-01-463-9932INTERCHANGEABLE
O-RING
125203

Frequently Asked Questions

What is NSN 5315-01-249-0553?

NSN 5315-01-249-0553 is a Pin,straight,headless, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-249-0553?

NSN 5315-01-249-0553 has 1 cross-referenced part number: 125203 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5315-01-249-0553?

There are 3 known substitutes for 5315-01-249-0553: 6685-00-407-0670, 1560-00-997-2508, 5331-01-463-9932. Verify interchangeability with system specifications before substitution.

What are the specifications of 125203?

Key specifications for 125203: First End Taper Length: 0.062 INCHES NOMINAL IN; Second End Style: SQUARE INTERNALLY THREADED; First End Taper Angle: 45.0 DEGREES NOMINAL; Precious Material: SILVER. 14 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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