NSN 5310-01-166-4049 · NIIN 011664049 · Part number L5331286-003
The Boeing Company Div Legacy Am&m · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 43999
Government record, cited
NSN 5310-01-166-4049 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-166-4049. Manufacturer of record part number: L5331286-003.
Also searched as5310-01-166-4049 ·
5310011664049 ·
NIIN 011664049 ·
01-166-4049 ·
FSC 5310 Nuts and Washers · CAGE 43999 · L5331286-003
Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Peripheral Shape Style: ROUND
Material: ALUMINUM ALLOY 2024 OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.377 INCHES NOMINAL IN
Thickness: 0.240 INCHES NOMINAL IN
Identification
NSN: 5310-01-166-4049
NIIN: 011664049
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: L5331286-003
Manufacturer: The Boeing Company Div Legacy Am&m
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-166-4049, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 7 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-166-4049
Primary Part Number
L5331286-003
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
The Boeing Company Div Legacy Am&m
Status
ACTIVE
Overall Diameter
1.250 INCHES NOMINAL IN
Material Document and Classification
QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-166-4049?
NSN 5310-01-166-4049 is a Washer,flat, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-166-4049?
NSN 5310-01-166-4049 has 1 manufacturer part number on file: L5331286-003 (The Boeing Company Div Legacy Am&m).
What are the specifications of L5331286-003?
Key specifications for L5331286-003: Overall Diameter: 1.250 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Peripheral Shape Style: ROUND; Material: ALUMINUM ALLOY 2024 OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-166-4049 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.