Surface Treatment Document and Classification: AMS-QQ-P-416 TYPE II CLASS 2 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL
Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Temp Rating: 450.0 FAHRENHEIT MAXIMUM DEGF
Washer Thickness: 0.041 INCHES MINIMUM IN
Material Document and Classification: AMS6304 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES AND AMS6487 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
Identification
NSN: 5310-01-700-6950
NIIN: 017006950
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Nut,self-Locking,extended Washer, cataloged under National Stock Number 5310-01-700-6950, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-700-6950
Item Name
Nut,self-Locking,extended Washer
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Lubrication
DRY FILM LUBRICANT
Washer Outside Diameter
0.594 INCHES MINIMUM IN
Surface Treatment Document and Classification
AMS-QQ-P-416 TYPE II CLASS 2 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL
Thread Series
UNIFIED NATIONAL JOINT FINE (UNJF)
Temp Rating
450.0 FAHRENHEIT MAXIMUM DEGF
Washer Thickness
0.041 INCHES MINIMUM IN
Material Document and Classification
AMS6304 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES AND AMS6487 INTERNATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL
Hazardous Substances
CADMIUM
Thread Direction
RIGHT-HAND
Nominal Thread Size
0.3750 INCHES IN
Specification/standard Data
80205-NAS-21133 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Counterbore Diameter
0.375 INCHES MINIMUM AND 0.405 INCHES MAXIMUM OVERALL IN
Locking Feature
PREVAILING TORQUE ALL METAL DESIGN
Surface Treatment
CADMIUM OVERALL
Countersink Angle
85.0 DEGREES MINIMUM OVERALL
Drive Point Quantity
14
Nut Style
SPLINE DRIVE
Thread Class
3B
Thread Quantity Per Inch
24
Material
STEEL CORROSION RESISTING OVERALL
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 Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-707-9293MS21133-L07POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-707-9296MS21133-L09POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-707-9297MS21133-L10POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-707-9299MS21133-L12POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-707-9300MS21133-L14POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
Possible match (shared part number)National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
NASM21133 REV 2
D/9Drawing number reference only
U.S. Government activity
MS21133-L06
3/2Design control — primary reference
U.S. Government activity
Related Parts
5310-01-707-9293POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
MS21133-L07
5310-01-707-9296POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
MS21133-L09
5310-01-707-9297POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
MS21133-L10
5310-01-707-9299POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
MS21133-L12
5310-01-707-9300POSSIBLE MATCH
NUT,SELF-LOCKING,EXTENDED WASHER
MS21133-L14
Frequently Asked Questions
What is NSN 5310-01-700-6950?
NSN 5310-01-700-6950 is a Nut,self-Locking,extended Washer, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-700-6950?
5 possible matches (shared part number, not a government interchangeability claim): 5310-01-707-9293, 5310-01-707-9296, 5310-01-707-9297. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-01-700-6950?
Key specifications for 5310-01-700-6950: Lubrication: DRY FILM LUBRICANT; Overall Height: 0.375 INCHES MAXIMUM IN; Washer Outside Diameter: 0.594 INCHES MINIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-416 TYPE II CLASS 2 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL. 20 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-700-6950 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.