Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Style Designator: SPLIT HELICAL-RIGHT HAND
Outside Diameter: 1.277 INCHES MAXIMUM IN
Material Thickness: 0.153 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Nondefinitive Spec/std Data: 1 STYLE AND A CLASS
Material: STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1071 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Hole Diameter: 0.763 INCHES MINIMUM AND 0.791 INCHES MAXIMUM IN
Identification
NSN: 5310-00-010-3335
NIIN: 000103335
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,lock, cataloged under National Stock Number 5310-00-010-3335, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-010-3335
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Hardness Rating
45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Style Designator
SPLIT HELICAL-RIGHT HAND
Outside Diameter
1.277 INCHES MAXIMUM IN
Material Thickness
0.153 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Nondefinitive Spec/std Data
1 STYLE AND A CLASS
Material
STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OR STEEL COMP 1065 OR STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1071 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OVERALL
Hole Diameter
0.763 INCHES MINIMUM AND 0.791 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6920-00-297-22529WPOSSIBLE MATCH
TRAINING AID,NIGHT VISION
Possible match (shared part number)Naval Air Warfare Center Training Systems Div
4820-00-301-9821POSSIBLE MATCH
SPRING,SPIRAL
Possible match (shared part number)
5975-00-574-3579103335POSSIBLE MATCH
MOUNTING BASE,ELECTRICAL EQUIPME
Possible match (shared part number)Astronautics Corporation of America
4920-01-029-44539WPOSSIBLE MATCH
WIRE RING
Possible match (shared part number)TB Woods's Corporation
3825-01-134-1445103335POSSIBLE MATCH
PLATE,MOUNTING
Possible match (shared part number)Allianz Sweeper Company
5961-01-135-5468POSSIBLE MATCH
TRANSISTOR
Possible match (shared part number)
5120-01-353-4002POSSIBLE MATCH
PLIERS,WIRE TWISTER
Possible match (shared part number)
4730-01-425-4610ST073160BF10CPOSSIBLE MATCH
STRAINER,SEDIMENT
Possible match (shared part number)Haywardindl. Products, Inc.
4730-01-426-2489ST073140BF 10CPOSSIBLE MATCH
STRAINER,SEDIMENT
Possible match (shared part number)Eaton Filtration Llc
6505-01-504-7102POSSIBLE MATCH
THIMEROSAL AND ALCOHOL SOLUTION
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
103335
5/1Secondary reference
General Motors Corp
9W
5/1Secondary reference
U.S. Government activity
MS35337-13
2/2Government specification standardization
U.S. Government activity
103335
5/1Secondary reference
Chrysler Realty Company Llc Dba Daimler Chrysler
WA406067
5/1Secondary reference
Ambac International Corporation Div Ambac International
S625
5/1Secondary reference
Cummins Inc.
SX4-3-4L
5/9Secondary reference
Kaitlin Corp
DX264
5/9Secondary reference
Diamond Reo Truck Co
WA6-24
5/9Secondary reference
Ambac International Corporation Div Ambac International
103335
5/9Secondary reference
Diamond Reo Truck Co
103335
5/9Secondary reference
U.S. Government activity
Related Parts
6920-00-297-2252POSSIBLE MATCH
TRAINING AID,NIGHT VISION
9W
4820-00-301-9821POSSIBLE MATCH
SPRING,SPIRAL
5975-00-574-3579POSSIBLE MATCH
MOUNTING BASE,ELECTRICAL EQUIPME
103335
4920-01-029-4453POSSIBLE MATCH
WIRE RING
9W
3825-01-134-1445POSSIBLE MATCH
PLATE,MOUNTING
103335
5961-01-135-5468POSSIBLE MATCH
TRANSISTOR
5120-01-353-4002POSSIBLE MATCH
PLIERS,WIRE TWISTER
4730-01-425-4610POSSIBLE MATCH
STRAINER,SEDIMENT
ST073160BF10C
4730-01-426-2489POSSIBLE MATCH
STRAINER,SEDIMENT
ST073140BF 10C
6505-01-504-7102POSSIBLE MATCH
THIMEROSAL AND ALCOHOL SOLUTION
Frequently Asked Questions
What is NSN 5310-00-010-3335?
NSN 5310-00-010-3335 is a Washer,lock, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-010-3335?
10 possible matches (shared part number, not a government interchangeability claim): 6920-00-297-2252, 4820-00-301-9821, 5975-00-574-3579. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-010-3335?
Key specifications for 5310-00-010-3335: Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 1.277 INCHES MAXIMUM IN; Material Thickness: 0.153 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-010-3335 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.