NSN 5310-00-243-4749 · NIIN 002434749 · Part number 9090763-9
Us Army Aviation and Missile Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 18876
Government record, cited
NSN 5310-00-243-4749 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-243-4749. Manufacturer of record part number: 9090763-9.
Also searched as5310-00-243-4749 ·
5310002434749 ·
NIIN 002434749 ·
00-243-4749 ·
FSC 5310 Nuts and Washers · CAGE 18876 · 9090763-9 · FF-W-92 TY A GR 1 CL A · 28912
Nearby stock numbers← 5310-00-243-4748 Nut, Special
·
5310-00-243-4755 →
5310-00-243-4749 — Nuts and Washers
Features
Washer,flat — FSC 5310
Overall Diameter: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL COMP 1213 OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Identification
NSN: 5310-00-243-4749
NIIN: 002434749
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 9090763-9
Manufacturer: Us Army Aviation and Missile Command
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-243-4749, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-243-4749
Primary Part Number
9090763-9
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Us Army Aviation and Missile Command
Status
ACTIVE
Overall Diameter
0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
Material Document and Classification
AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
STEEL COMP 1213 OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Thickness
0.136 INCHES MINIMUM AND 0.146 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 Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6640-00-428-912011-684TYPEFPOSSIBLE MATCH
INCUBATOR,BACTERIOLOGICAL
Possible match (shared part number)Fisher Scientific Worldwide
5310-00-579-2068POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)
5310-00-579-2069POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)
5310-00-579-20711133008POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Fastenal Company
NSN 5310-00-243-4749 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-243-4749?
NSN 5310-00-243-4749 has 1 manufacturer part number on file: 9090763-9 (Us Army Aviation and Missile Command).
What NSN replaces 5310-00-243-4749?
11 possible matches (shared part number, not a government interchangeability claim): 6640-00-428-9120, 5310-00-579-2068, 5310-00-579-2069. Verify interchangeability with system specifications before substitution.
What are the specifications of 9090763-9?
Key specifications for 9090763-9: Overall Diameter: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-243-4749 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.