PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51923-157Pin,spring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5315-01-011-2303 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-011-2303 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-011-2303. Primary manufacturer part number: MS51923-157.
Features
  • Pin,spring — FSC 5315
  • Expanded Diameter: 0.099 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
  • Material: STEEL COMP 302 OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: COILED
  • Surface Treatment: PASSIVATE OVERALL
  • Diameter: 0.094 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-01-011-2303, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 7 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-011-2303
Primary Part NumberMS51923-157
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Expanded Diameter0.099 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN
MaterialSTEEL COMP 302 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorCOILED
Surface TreatmentPASSIVATE OVERALL
Diameter0.094 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5910-00-112-7398 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
8040-00-148-7287 INTERCHANGEABLE
Adhesive
5310-00-161-9915018-3458 INTERCHANGEABLE
Nut
Marathon Le Tourneau Co
8040-00-266-0828 INTERCHANGEABLE
Adhesive
5220-00-411-7408PWA15982 INTERCHANGEABLE
Gage,profile
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5305-00-820-8367CS9 INTERCHANGEABLE
Setscrew
Steego Corp
5340-00-986-0921CG157 INTERCHANGEABLE
Clamp,synchro
Secs Inc
3040-00-986-2575C59 INTERCHANGEABLE
Clamp,hub
Steego Corp
6720-01-079-9417C59AR INTERCHANGEABLE
Camera,still Picture
Tektronix, Inc.
3020-01-320-5241 INTERCHANGEABLE
Sprocket Wheel
Cross-Reference Index
Part NumberManufacturer
C5-9 Roller Bearing Co of America, Inc Div Pic Design (USA)
MS51923-157 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS51923-157 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
CP6-19 W. M. Berg, Inc. (USA)
Related Parts
5910-00-112-7398INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
8040-00-148-7287INTERCHANGEABLE
ADHESIVE
5310-00-161-9915INTERCHANGEABLE
NUT
018-3458
8040-00-266-0828INTERCHANGEABLE
ADHESIVE
5220-00-411-7408INTERCHANGEABLE
GAGE,PROFILE
PWA15982
5305-00-820-8367INTERCHANGEABLE
SETSCREW
CS9
5340-00-986-0921INTERCHANGEABLE
CLAMP,SYNCHRO
CG157
3040-00-986-2575INTERCHANGEABLE
CLAMP,HUB
C59
6720-01-079-9417INTERCHANGEABLE
CAMERA,STILL PICTURE
C59AR
3020-01-320-5241INTERCHANGEABLE
SPROCKET WHEEL
5975-01-665-6524INTERCHANGEABLE
RACEWAY,NONMETALLIC

Frequently Asked Questions

What is NSN 5315-01-011-2303?

NSN 5315-01-011-2303 is a Pin,spring, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-011-2303?

NSN 5315-01-011-2303 has 4 cross-referenced part numbers: C5-9 (Roller Bearing Co of America, Inc Div Pic Design), MS51923-157 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS51923-157 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), CP6-19 (W. M. Berg, Inc.).

What NSN replaces 5315-01-011-2303?

There are 11 known substitutes for 5315-01-011-2303: 5910-00-112-7398, 8040-00-148-7287, 5310-00-161-9915 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51923-157?

Key specifications for MS51923-157: Expanded Diameter: 0.099 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN; Material: STEEL COMP 302 OVERALL; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: COILED. 8 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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