NSN 5310-00-904-8809 · NIIN 009048809 · Part number RA11253-5
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 51663
Government record, cited
NSN 5310-00-904-8809 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-904-8809. Manufacturer of record part number: RA11253-5.
Also searched as5310-00-904-8809 ·
5310009048809 ·
NIIN 009048809 ·
00-904-8809 ·
FSC 5310 Nuts and Washers · CAGE 51663 · RA11253-5
Overall Diameter: 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: COPPER ALLOY OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.190 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
Thickness: 0.010 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Identification
NSN: 5310-00-904-8809
NIIN: 009048809
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: RA11253-5
Manufacturer: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-904-8809, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. 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
5310-00-904-8809
Primary Part Number
RA11253-5
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
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 5310-00-904-8809?
NSN 5310-00-904-8809 is a Washer,flat, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-904-8809?
NSN 5310-00-904-8809 has 1 manufacturer part number on file: RA11253-5 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
What are the specifications of RA11253-5?
Key specifications for RA11253-5: Overall Diameter: 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: COPPER ALLOY OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-904-8809 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.