PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18781Pin

Remington Arms Company, Llc · NSN 5315-01-049-3921 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-049-3921 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-049-3921. Primary manufacturer part number: 18781.
Features
  • Pin — FSC 5315
  • 2 verified cross-references
  • Primary manufacturer: Remington Arms Company, Llc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Pin, cataloged under National Stock Number 5315-01-049-3921, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Remington Arms Company, Llc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NamePin
FSC / FSG5315 — No Item Name Available (FSG 53)
ManufacturersRemington Arms Company, Llc (CAGE 50446)
Technical Specifications
ParameterValue
NSN5315-01-049-3921
Primary Part Number18781
Item NamePin
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerRemington Arms Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4320-00-177-181643890 INTERCHANGEABLE
Pump,rotary
Clayton Manufacturing Company
4720-00-461-1546185935 INTERCHANGEABLE
Hose Assembly,metallic
Hyspan Precision Products, Inc.
5120-00-953-341021C2404P018 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
General Electric Company
6625-00-992-253218781 INTERCHANGEABLE
Stop Assembly
Telephonics Corp/prd Instruments
5950-01-021-696718-78-1 INTERCHANGEABLE
Reactor
General Dynamics Ots (aerospace), Inc. Dba General Dynamics Ordinance and Tactical Systems Div Seattle Operations
6125-01-096-949518781 INTERCHANGEABLE
Cover,motor-Generator
Kurz & Root Generator Company, Llc
5998-01-501-5912 INTERCHANGEABLE
Circuit Card Assembly
6515-01-588-3083TICS.23.10314 INTERCHANGEABLE
Concentrator,oxygen
Tribalco Llc
Cross-Reference Index
Part NumberManufacturer
18781 Remington Arms Company, Llc (USA)
F18781 Remington Arms Company, Llc (USA)
Related Parts
4320-00-177-1816INTERCHANGEABLE
PUMP,ROTARY
43890
4720-00-461-1546INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
185935
5120-00-953-3410INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
21C2404P018
6625-00-992-2532INTERCHANGEABLE
STOP ASSEMBLY
18781
5950-01-021-6967INTERCHANGEABLE
REACTOR
18-78-1
6125-01-096-9495INTERCHANGEABLE
COVER,MOTOR-GENERATOR
18781
5998-01-501-5912INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6515-01-588-3083INTERCHANGEABLE
CONCENTRATOR,OXYGEN
TICS.23.10314

Frequently Asked Questions

What is NSN 5315-01-049-3921?

NSN 5315-01-049-3921 is a Pin, manufactured by Remington Arms Company, Llc, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-049-3921?

NSN 5315-01-049-3921 has 2 cross-referenced part numbers: 18781 (Remington Arms Company, Llc), F18781 (Remington Arms Company, Llc).

What NSN replaces 5315-01-049-3921?

There are 8 known substitutes for 5315-01-049-3921: 4320-00-177-1816, 4720-00-461-1546, 5120-00-953-3410 and 5 more. Verify interchangeability with system specifications before substitution.

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