PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP 90001Washer,lock

Colt's Manufacturing Company, Llc · NSN 5310-01-311-2303 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-311-2303 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-311-2303. Primary manufacturer part number: SP 90001.
Features
  • Washer,lock — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Colt's Manufacturing Company, Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-311-2303, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Colt's Manufacturing Company, Llc. 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 NameWasher,lock
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersColt's Manufacturing Company, Llc (CAGE 13629); Nioa Trading Nioa Nominees Pty Limited Div Nioa (CAGE Z2C27)
Technical Specifications
ParameterValue
NSN5310-01-311-2303
Primary Part NumberSP 90001
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerColt's Manufacturing Company, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2805-00-339-5595DA65AS1 INTERCHANGEABLE
Connecting Rod,piston
Wisconsin Motors, Llc
5895-00-505-05019000-1 INTERCHANGEABLE
Generator,interference
Unison Industries Llc
5935-00-665-5125 INTERCHANGEABLE
Jack,telephone
1270-00-716-209690-001 INTERCHANGEABLE
Connector,plug,magn
Jettron Products Inc
5895-00-724-374090-001 INTERCHANGEABLE
Keyer,frequency Shift
Rogerson Kratos
1680-00-784-037990001 INTERCHANGEABLE
Kit Repair
Cinch Connectivity Solutions Inc
5305-01-079-288211669612 INTERCHANGEABLE
Screw,cap,socket Head
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
4820-01-156-8391900-00 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4920-01-299-028490001 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
6515-01-303-778390001 INTERCHANGEABLE
Heat and Moisture Exchanger,inha
Mallinckrodt Inc Anesthesia Products
Cross-Reference Index
Part NumberManufacturer
90001 Colt's Manufacturing Company, Llc (USA)
SP90001 Nioa Trading Nioa Nominees Pty Limited Div Nioa (AUS)
SP 90001 PRIMARY Colt's Manufacturing Company, Llc (USA)
Related Parts
2805-00-339-5595INTERCHANGEABLE
CONNECTING ROD,PISTON
DA65AS1
5895-00-505-0501INTERCHANGEABLE
GENERATOR,INTERFERENCE
9000-1
5935-00-665-5125INTERCHANGEABLE
JACK,TELEPHONE
1270-00-716-2096INTERCHANGEABLE
CONNECTOR,PLUG,MAGN
90-001
5895-00-724-3740INTERCHANGEABLE
KEYER,FREQUENCY SHIFT
90-001
1680-00-784-0379INTERCHANGEABLE
KIT REPAIR
90001
5305-01-079-2882INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
11669612
4820-01-156-8391INTERCHANGEABLE
DISK,VALVE
900-00
4920-01-299-0284INTERCHANGEABLE
TEST PROGRAM SET
90001
6515-01-303-7783INTERCHANGEABLE
HEAT AND MOISTURE EXCHANGER,INHA
90001
5998-01-377-1961INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
6510748
6520-01-528-7763INTERCHANGEABLE
WIRE CABLE ASSEMBLY 7FT
90001

Frequently Asked Questions

What is NSN 5310-01-311-2303?

NSN 5310-01-311-2303 is a Washer,lock, manufactured by Colt's Manufacturing Company, Llc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-311-2303?

NSN 5310-01-311-2303 has 3 cross-referenced part numbers: 90001 (Colt's Manufacturing Company, Llc), SP90001 (Nioa Trading Nioa Nominees Pty Limited Div Nioa), SP 90001 (Colt's Manufacturing Company, Llc).

What NSN replaces 5310-01-311-2303?

There are 12 known substitutes for 5310-01-311-2303: 2805-00-339-5595, 5895-00-505-0501, 5935-00-665-5125 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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