PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

721-8541924-53Pin,straight,headless

Naval Sea Systems Command · NSN 5315-01-685-1718 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-685-1718 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-685-1718. Primary manufacturer part number: 721-8541924-53.
Features
  • Pin,straight,headless — FSC 5315
  • 3 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Pin,straight,headless, cataloged under National Stock Number 5315-01-685-1718, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Sea Systems Command. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePin,straight,headless
FSC / FSG5315 — No Item Name Available (FSG 53)
ManufacturersNaval Sea Systems Command (CAGE 53711); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169)
Technical Specifications
ParameterValue
NSN5315-01-685-1718
Primary Part Number721-8541924-53
Item NamePin,straight,headless
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-01-684-7256721-8541924-29 INTERCHANGEABLE
Seal,plain
Naval Sea Systems Command
5305-01-684-7340721-8541924-5 INTERCHANGEABLE
Screw,machine
Naval Sea Systems Command
5305-01-684-8628721-8541924-57 INTERCHANGEABLE
Setscrew
Naval Sea Systems Command
5305-01-684-8740721-8541924-40 INTERCHANGEABLE
Setscrew
Naval Sea Systems Command
5310-01-684-8803721-8541924-8 INTERCHANGEABLE
Washer,flat
Naval Sea Systems Command
5330-01-684-9988721-8541924-34 INTERCHANGEABLE
Seal,plain
Naval Sea Systems Command
4820-01-685-0036721-8541924-52 INTERCHANGEABLE
Valve,plug
Naval Sea Systems Command
3040-01-685-1664721-8541924-9 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Naval Sea Systems Command
3040-01-685-1738721-8541924-2 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Naval Sea Systems Command
5360-01-685-1880721-8541924-14 INTERCHANGEABLE
Spring,helical,compression
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
721-8541924-53 PRIMARY Naval Sea Systems Command (USA)
721-8541924 Naval Sea Systems Command (USA)
R8611506-53 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5330-01-684-7256INTERCHANGEABLE
SEAL,PLAIN
721-8541924-29
5305-01-684-7340INTERCHANGEABLE
SCREW,MACHINE
721-8541924-5
5305-01-684-8628INTERCHANGEABLE
SETSCREW
721-8541924-57
5305-01-684-8740INTERCHANGEABLE
SETSCREW
721-8541924-40
5310-01-684-8803INTERCHANGEABLE
WASHER,FLAT
721-8541924-8
5330-01-684-9988INTERCHANGEABLE
SEAL,PLAIN
721-8541924-34
4820-01-685-0036INTERCHANGEABLE
VALVE,PLUG
721-8541924-52
3040-01-685-1664INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
721-8541924-9
3040-01-685-1738INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
721-8541924-2
5360-01-685-1880INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
721-8541924-14
5330-01-685-5228INTERCHANGEABLE
RETAINER,PACKING
AS5781P09-112
5330-01-685-6848INTERCHANGEABLE
RING,WIPER
SH959-41

Frequently Asked Questions

What is NSN 5315-01-685-1718?

NSN 5315-01-685-1718 is a Pin,straight,headless, manufactured by Naval Sea Systems Command, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-685-1718?

NSN 5315-01-685-1718 has 3 cross-referenced part numbers: 721-8541924-53 (Naval Sea Systems Command), 721-8541924 (Naval Sea Systems Command), R8611506-53 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 5315-01-685-1718?

There are 12 known substitutes for 5315-01-685-1718: 5330-01-684-7256, 5305-01-684-7340, 5305-01-684-8628 and 9 more. Verify interchangeability with system specifications before substitution.

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