PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CA5-12P2Washer,lock

Ellis & Watts International, Llc · NSN 5310-00-010-6496 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-010-6496 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-010-6496. Primary manufacturer part number: CA5-12P2.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
  • Hole Diameter: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
  • Outside Diameter: 0.293 INCHES MAXIMUM IN
  • Material Thickness: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
  • Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • 37 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-010-6496, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ellis & Watts International, Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 37 commercial cross-references from 33 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-010-6496
Primary Part NumberCA5-12P2
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerEllis & Watts International, Llc
StatusCANCELLED
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
Hole Diameter0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Outside Diameter0.293 INCHES MAXIMUM IN
Material Thickness0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
Hardness Rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-045-3299MS35338-42 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5365-00-209-4042X5-40 INTERCHANGEABLE
Spacer,ring
Horizon Aerospace Llc Dba Magnetics Division
3455-00-228-5295 INTERCHANGEABLE
Cutter,milling,end
5962-00-369-7739 INTERCHANGEABLE
Microcircuit,digital
5310-00-435-8593 INTERCHANGEABLE
Washer,flat
1680-00-528-7969 INTERCHANGEABLE
Mirror Assembly,rearview
3110-00-555-5207 INTERCHANGEABLE
Bearing,ball,annular
5330-00-640-8560 INTERCHANGEABLE
Ring,wiper
5307-00-703-8229204541A INTERCHANGEABLE
Stud,plain
Brinkley Technology Group Llc Dba Hercules Manufacturing
5342-00-704-0707G12 INTERCHANGEABLE
Collar,special
Hoffman Engineering, Llc Dba Hoffman Engineering Llc
Cross-Reference Index
Part NumberManufacturer
CA5-12P2 Ellis & Watts International, Llc (USA)
X7-9 Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248 (USA)
106496 Navistar International Corporation Dba Navistar (USA)
10WASHSPGSTL American Telephone and Telegraph Co (USA)
MS35338-4 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
BB37952 Diamond Reo Truck Co (USA)
118 H20 Tank Inc U S Motors Div (USA)
106496 General Motors Corp Delco Products Div (USA)
93620-9 Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA)
P1071 Bae Systems Land & Armaments L.p. (USA)
B20500-2 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
106496 General Motors Corp Delco Remy Div (USA)
5953790 Tadiran Ltd (ISR)
4197900-11 Raytheon Company Div Rmd Strategic (USA)
P901045 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
WA5-4 Ambac International Corporation Div Ambac International (USA)
34802S Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
0992 Borg-Warner Corp Marvel-Schebler/tillotson Div (USA)
4197900-11 Raytheon Company Dba Raytheon (USA)
12404D Navistar International Corporation Dba Navistar (USA)
Related Parts
5310-00-045-3299INTERCHANGEABLE
WASHER,LOCK
MS35338-42
5365-00-209-4042INTERCHANGEABLE
SPACER,RING
X5-40
3455-00-228-5295INTERCHANGEABLE
CUTTER,MILLING,END
5962-00-369-7739INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5310-00-435-8593INTERCHANGEABLE
WASHER,FLAT
1680-00-528-7969INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
3110-00-555-5207INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-640-8560INTERCHANGEABLE
RING,WIPER
5307-00-703-8229INTERCHANGEABLE
STUD,PLAIN
204541A
5342-00-704-0707INTERCHANGEABLE
COLLAR,SPECIAL
G12
5935-00-758-3029INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
357-9441-00
9390-00-809-0944INTERCHANGEABLE
NONMETALLIC CHANNEL

Frequently Asked Questions

What is NSN 5310-00-010-6496?

NSN 5310-00-010-6496 is a Washer,lock, manufactured by Ellis & Watts International, Llc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-010-6496?

NSN 5310-00-010-6496 has 37 cross-referenced part numbers: CA5-12P2 (Ellis & Watts International, Llc), X7-9 (Cushman Inc a Ransom Co Pobox 7248 Charlotte Nc 28241 7248), 106496 (Navistar International Corporation Dba Navistar), 10WASHSPGSTL (American Telephone and Telegraph Co), MS35338-4 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 32 more.

What NSN replaces 5310-00-010-6496?

There are 12 known substitutes for 5310-00-010-6496: 5310-00-045-3299, 5365-00-209-4042, 3455-00-228-5295 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CA5-12P2?

Key specifications for CA5-12P2: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OR AISI NATIONAL SPEC ALL MATERIAL RESPONSES OR SAE NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL; Hole Diameter: 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN; Outside Diameter: 0.293 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-010-6496 still in active supply?

NSN 5310-00-010-6496 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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