FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives
Government record, cited
Also searched as5310-01-299-7028 ·
5310012997028 ·
NIIN 012997028 ·
01-299-7028 ·
FSC 5310 Nuts and Washers · MIL-W-12133/3 · M12133/3-095P
Nearby stock numbers← 5310-01-299-7027 Washer, Spring Tension
·
5310-01-299-7029 Washer, Spring Tension →
5310-01-299-7028 — Nuts and Washers
Features
Washer,spring Tension — FSC 5310
Hardness Rating: 350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 380.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
Material Document and Classification: ASTM B194,1/4H TEMPER ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.206 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Material Thickness: 0.0054 INCHES MINIMUM AND 0.0066 INCHES MAXIMUM IN
Surface Treatment: CADMIUM OVERALL
Material: COPPER ALLOY 172 OVERALL
Hole Diameter: 0.095 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN
Identification
NSN: 5310-01-299-7028
NIIN: 012997028
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,spring Tension, cataloged under National Stock Number 5310-01-299-7028, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-299-7028
Item Name
Washer,spring Tension
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Hardness Rating
350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 380.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM
Material Document and Classification
ASTM B194,1/4H TEMPER ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter
0.206 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Material Thickness
0.0054 INCHES MINIMUM AND 0.0066 INCHES MAXIMUM IN
Surface Treatment
CADMIUM OVERALL
Material
COPPER ALLOY 172 OVERALL
Hole Diameter
0.095 INCHES MINIMUM AND 0.100 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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-299-7029POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)
5310-01-391-2932POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)
5310-01-394-6042POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)
5310-01-396-4240POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)
5310-01-407-0524POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)
5310-01-407-5772POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)
5310-01-426-7543POSSIBLE MATCH
WASHER,SPRING TENSION
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
MIL-W-12133/3
4/1Identification reference
U.S. Government activity
M12133/3-095P
2/2Government specification standardization
U.S. Government activity
Related Parts
5310-01-299-7029POSSIBLE MATCH
WASHER,SPRING TENSION
5310-01-391-2932POSSIBLE MATCH
WASHER,SPRING TENSION
5310-01-394-6042POSSIBLE MATCH
WASHER,SPRING TENSION
5310-01-396-4240POSSIBLE MATCH
WASHER,SPRING TENSION
5310-01-407-0524POSSIBLE MATCH
WASHER,SPRING TENSION
5310-01-407-5772POSSIBLE MATCH
WASHER,SPRING TENSION
5310-01-426-7543POSSIBLE MATCH
WASHER,SPRING TENSION
Frequently Asked Questions
What is NSN 5310-01-299-7028?
NSN 5310-01-299-7028 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-299-7028?
7 possible matches (shared part number, not a government interchangeability claim): 5310-01-299-7029, 5310-01-391-2932, 5310-01-394-6042. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-01-299-7028?
Key specifications for 5310-01-299-7028: Overall Height: 0.015 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN; Hardness Rating: 350.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 380.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM; Material Document and Classification: ASTM B194,1/4H TEMPER ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.206 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-299-7028 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.