Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter: 0.395 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR AMS5510 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: PASSIVATE OVERALL
Peripheral Shape Style: ROUND
Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
Identification
NSN: 5310-01-259-6362
NIIN: 012596362
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-259-6362, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-259-6362
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Surface Treatment Document and Classification
QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter
0.395 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
Material Document and Classification
MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR AMS5510 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
RECTANGULAR
Surface Treatment
PASSIVATE OVERALL
Peripheral Shape Style
ROUND
Material
STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN
Thickness
0.028 INCHES MINIMUM AND 0.036 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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-472-98857108324-080POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-472-9889252-7108324 PN 133POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5310-01-472-9896252-7108324 PN 232POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Naval Sea Systems Command
5930-01-473-025077303APOSSIBLE MATCH
SWITCH,ROTARY
Possible match (shared part number)Electro Switch Corp. Dba Electro Switch Corp
5930-01-473-0251113404AAPOSSIBLE MATCH
SWITCH,ROTARY
Possible match (shared part number)Electro Switch Corp. Dba Electro Switch Corp
5975-01-473-34230510005-50-10POSSIBLE MATCH
BUSHING,ELECTRICAL CONDUIT
Possible match (shared part number)Sorbothane, Inc
5975-01-473-4719C-4NY-203BKPOSSIBLE MATCH
HANGER,CABLE
Possible match (shared part number)Brady United States
5999-01-476-204707-0101-0029-77POSSIBLE MATCH
GASKETING MATERIAL,CONDUCTIVE
Possible match (shared part number)Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
7108324
3/2Design control — primary reference
U.S. Government activity
Related Parts
5310-01-472-9885POSSIBLE MATCH
WASHER,FLAT
7108324-080
5310-01-472-9889POSSIBLE MATCH
WASHER,FLAT
252-7108324 PN 133
5310-01-472-9896POSSIBLE MATCH
WASHER,FLAT
252-7108324 PN 232
5930-01-473-0250POSSIBLE MATCH
SWITCH,ROTARY
77303A
5930-01-473-0251POSSIBLE MATCH
SWITCH,ROTARY
113404AA
5975-01-473-3423POSSIBLE MATCH
BUSHING,ELECTRICAL CONDUIT
0510005-50-10
5975-01-473-4719POSSIBLE MATCH
HANGER,CABLE
C-4NY-203BK
5999-01-476-2047POSSIBLE MATCH
GASKETING MATERIAL,CONDUCTIVE
07-0101-0029-77
Frequently Asked Questions
What is NSN 5310-01-259-6362?
NSN 5310-01-259-6362 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-259-6362?
8 possible matches (shared part number, not a government interchangeability claim): 5310-01-472-9885, 5310-01-472-9889, 5310-01-472-9896. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-01-259-6362?
Key specifications for 5310-01-259-6362: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.395 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 4TH MATERIAL RESPONSE OR AMS5510 MIL SPEC 5TH MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-259-6362 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.