PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21023Pin,straight,headed

Science Applications International Corporation · NSN 5315-01-387-6440 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-387-6440 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-387-6440. Primary manufacturer part number: 21023.
Features
  • Pin,straight,headed — FSC 5315
  • 1 verified cross-reference
  • Primary manufacturer: Science Applications International Corporation
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Pin,straight,headed, cataloged under National Stock Number 5315-01-387-6440, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Science Applications International Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePin,straight,headed
FSC / FSG5315 — No Item Name Available (FSG 53)
ManufacturersScience Applications International Corporation (CAGE 60595)
Technical Specifications
ParameterValue
NSN5315-01-387-6440
Primary Part Number21023
Item NamePin,straight,headed
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerScience Applications International Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2805-00-517-991118201A INTERCHANGEABLE
Valve,poppet,engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
5330-00-779-5742 INTERCHANGEABLE
Gasket
5940-00-949-5551 INTERCHANGEABLE
Terminal Board
7035-01-095-931821023 INTERCHANGEABLE
Cover,bottom
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4820-01-221-162821023 INTERCHANGEABLE
Sleeve and Slide,directional Con
Parker Hannifin Corporation Div Hydraulic Systems Division
6250-01-353-976421023 INTERCHANGEABLE
Holder,lampholder
Reable Therapeutics Inc Dba Chattanooga Group
Cross-Reference Index
Part NumberManufacturer
21023 PRIMARY Science Applications International Corporation (USA)
Related Parts
2805-00-517-9911INTERCHANGEABLE
VALVE,POPPET,ENGINE
18201A
5330-00-779-5742INTERCHANGEABLE
GASKET
5940-00-949-5551INTERCHANGEABLE
TERMINAL BOARD
7035-01-095-9318INTERCHANGEABLE
COVER,BOTTOM
21023
4820-01-221-1628INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21023
6250-01-353-9764INTERCHANGEABLE
HOLDER,LAMPHOLDER
21023

Frequently Asked Questions

What is NSN 5315-01-387-6440?

NSN 5315-01-387-6440 is a Pin,straight,headed, manufactured by Science Applications International Corporation, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-387-6440?

NSN 5315-01-387-6440 has 1 cross-referenced part number: 21023 (Science Applications International Corporation).

What NSN replaces 5315-01-387-6440?

There are 6 known substitutes for 5315-01-387-6440: 2805-00-517-9911, 5330-00-779-5742, 5940-00-949-5551 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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