NSN 5310-00-925-2320 · NIIN 009252320 · Part number 544185
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 77445
Government record, cited
NSN 5310-00-925-2320 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-925-2320. Manufacturer of record part number: 544185.
Also searched as5310-00-925-2320 ·
5310009252320 ·
NIIN 009252320 ·
00-925-2320 ·
FSC 5310 Nuts and Washers · CAGE 77445 · 544185
Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Material Document and Classification: AMS5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Material: STEEL COMP 410 OVERALL
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 5310-00-925-2320
NIIN: 009252320
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 544185
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Washer,key, cataloged under National Stock Number 5310-00-925-2320, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 4 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
5310-00-925-2320
Primary Part Number
544185
Item Name
Washer,key
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status
ACTIVE
Surface Finish
63.0 MICROINCHES ALL SURFACES
Hardness Rating
30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (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 5310-00-925-2320?
NSN 5310-00-925-2320 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-925-2320?
NSN 5310-00-925-2320 has 1 manufacturer part number on file: 544185 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
What are the specifications of 544185?
Key specifications for 544185: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM; Material Document and Classification: AMS5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 410 OVERALL. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-925-2320 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.