Overall Diameter: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Material Document and Classification: MIL-S-16782 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5062 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5010 ASSN STD 2ND MATERIAL RESPONSE AND AMS 6274 ASSN STD 3RD MATERIAL RESPONSE AND AMS 5022 ASSN STD 4TH MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL OR STEEL COMP 1212 OR STEEL COMP 8620 OR STEEL COMP 1117 OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
Identification
NSN: 5310-00-274-9923
NIIN: 002749923
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-274-9923, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-274-9923
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Overall Diameter
0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Material Document and Classification
MIL-S-16782 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5062 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5010 ASSN STD 2ND MATERIAL RESPONSE AND AMS 6274 ASSN STD 3RD MATERIAL RESPONSE AND AMS 5022 ASSN STD 4TH MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
STEEL OR STEEL COMP 1212 OR STEEL COMP 8620 OR STEEL COMP 1117 OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
Thickness
0.026 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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5815-00-370-0149151241POSSIBLE MATCH
BAR,T,TELETYPEWRITER
Possible match (shared part number)Lucent Technologies Inc Corporate Headquarters
5905-00-529-0508POSSIBLE MATCH
RESISTOR,FIXED,FILM
Possible match (shared part number)
5950-00-698-1981SM-D-249088POSSIBLE MATCH
TRANSFORMER,RADIO FREQUENCY
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-893-7668151241R1POSSIBLE MATCH
GASKET
Possible match (shared part number)Navistar Intl Corp Truck Br Ohio Plant
6150-01-048-7594151241POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
Possible match (shared part number)Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5355-01-241-749415124-1POSSIBLE MATCH
POINTER,DIAL
Possible match (shared part number)Aerosonic Llc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
151241
5/9Secondary reference
U.S. Government activity
FF-W-92B(1) NOT 1
2/2Government specification standardization
U.S. Government activity
612411
5/9Secondary reference
U.S. Government activity
686870
5/9Secondary reference
U.S. Government activity
Related Parts
5815-00-370-0149POSSIBLE MATCH
BAR,T,TELETYPEWRITER
151241
5905-00-529-0508POSSIBLE MATCH
RESISTOR,FIXED,FILM
5950-00-698-1981POSSIBLE MATCH
TRANSFORMER,RADIO FREQUENCY
SM-D-249088
5330-00-893-7668POSSIBLE MATCH
GASKET
151241R1
6150-01-048-7594POSSIBLE MATCH
CABLE ASSEMBLY,SPECIAL PURPOSE,E
151241
5355-01-241-7494POSSIBLE MATCH
POINTER,DIAL
15124-1
Frequently Asked Questions
What is NSN 5310-00-274-9923?
NSN 5310-00-274-9923 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-274-9923?
6 possible matches (shared part number, not a government interchangeability claim): 5815-00-370-0149, 5905-00-529-0508, 5950-00-698-1981. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-274-9923?
Key specifications for 5310-00-274-9923: Overall Diameter: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-16782 MIL SPEC 1ST MATERIAL RESPONSE OR AMS 5062 ASSN STD 1ST MATERIAL RESPONSE AND AMS 5010 ASSN STD 2ND MATERIAL RESPONSE AND AMS 6274 ASSN STD 3RD MATERIAL RESPONSE AND AMS 5022 ASSN STD 4TH MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-274-9923 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.