The Washer,recessed, cataloged under National Stock Number 5310-01-149-0747, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
5310-01-149-0747
Item Name
Washer,recessed
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Style Designator
RECESSED
Outside Diameter
0.624 INCHES NOMINAL IN
Recess Depth
0.015 INCHES NOMINAL IN
Recess Diameter
0.525 INCHES NOMINAL IN
Material
ALUMINUM ALLOY 2024 OVERALL
Hole Diameter
0.290 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 Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5325-01-149-7744235004POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)Kohler Co Engine Plant Div
4730-01-231-41164SA20FJ20POSSIBLE MATCH
ADAPTER,STRAIGHT,TUBE TO HOSE
Possible match (shared part number)Danfoss Power Solutions II, Llc
5920-01-407-0400235004POSSIBLE MATCH
FUSE,CARTRIDGE
Possible match (shared part number)Littelfuse, Inc.
5920-01-721-6941POSSIBLE MATCH
FUSE,CARTRIDGE
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
23-500-4
3/2Design control — primary reference
U.S. Government activity
Related Parts
5325-01-149-7744POSSIBLE MATCH
RING,RETAINING
235004
4730-01-231-4116POSSIBLE MATCH
ADAPTER,STRAIGHT,TUBE TO HOSE
4SA20FJ20
5920-01-407-0400POSSIBLE MATCH
FUSE,CARTRIDGE
235004
5920-01-721-6941POSSIBLE MATCH
FUSE,CARTRIDGE
Frequently Asked Questions
What is NSN 5310-01-149-0747?
NSN 5310-01-149-0747 is a Washer,recessed, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-01-149-0747?
4 possible matches (shared part number, not a government interchangeability claim): 5325-01-149-7744, 4730-01-231-4116, 5920-01-407-0400. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-01-149-0747?
Key specifications for 5310-01-149-0747: Overall Height: 0.062 INCHES NOMINAL IN; Style Designator: RECESSED; Outside Diameter: 0.624 INCHES NOMINAL IN; Recess Depth: 0.015 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-149-0747 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.