Material: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.640 INCHES NOMINAL IN
Thickness: 0.031 INCHES NOMINAL IN
Identification
NSN: 5310-00-442-4849
NIIN: 004424849
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-442-4849, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-442-4849
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Overall Diameter
1.750 INCHES NOMINAL IN
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.640 INCHES NOMINAL IN
Thickness
0.031 INCHES NOMINAL 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.
5970-01-089-9763A422-46-2POSSIBLE MATCH
INSULATOR,DISK
Possible match (shared part number)Seastrom Manufacturing Co Inc
4820-01-249-34731214-2POSSIBLE MATCH
BUTTON,VALVE DIAPHRAGM
Possible match (shared part number)Tescom Corp Dba Tescom Div Tescom
5940-01-431-829912-142POSSIBLE MATCH
TERMINAL BOARD
Possible match (shared part number)Cinch Connectivity Solutions Inc.
5340-01-492-729412142-632POSSIBLE MATCH
HANDWHEEL
Possible match (shared part number)B.w. Elliott Manufacturing Co., Llc
5340-01-492-730512142-319POSSIBLE MATCH
HANDWHEEL
Possible match (shared part number)B.w. Elliott Manufacturing Co., Llc
8340-01-557-452612142POSSIBLE MATCH
FOOT,ADJUSTABLE TENT
Possible match (shared part number)Cascade Designs Inc
5340-01-688-842712142-623POSSIBLE MATCH
HANDWHEEL
Possible match (shared part number)B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
SS75PC11
5/9Secondary reference
U.S. Government activity
12142
3/9Design control — primary reference
U.S. Government activity
Related Parts
5970-01-089-9763POSSIBLE MATCH
INSULATOR,DISK
A422-46-2
4820-01-249-3473POSSIBLE MATCH
BUTTON,VALVE DIAPHRAGM
1214-2
5940-01-431-8299POSSIBLE MATCH
TERMINAL BOARD
12-142
5340-01-492-7294POSSIBLE MATCH
HANDWHEEL
12142-632
5340-01-492-7305POSSIBLE MATCH
HANDWHEEL
12142-319
8340-01-557-4526POSSIBLE MATCH
FOOT,ADJUSTABLE TENT
12142
5340-01-688-8427POSSIBLE MATCH
HANDWHEEL
12142-623
Frequently Asked Questions
What is NSN 5310-00-442-4849?
NSN 5310-00-442-4849 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-442-4849?
7 possible matches (shared part number, not a government interchangeability claim): 5970-01-089-9763, 4820-01-249-3473, 5940-01-431-8299. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-442-4849?
Key specifications for 5310-00-442-4849: Overall Diameter: 1.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: WOOL OR COTTON OR CELLULOSE OR GLASS OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-442-4849 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.