NSN 5310-01-453-5226 · NIIN 014535226 · Part number 197A203-1
Lockheed Martin Corporation Div Rotary and Mission Systems · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 03640
Government record, cited
NSN 5310-01-453-5226 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-453-5226. Manufacturer of record part number: 197A203-1.
Also searched as5310-01-453-5226 ·
5310014535226 ·
NIIN 014535226 ·
01-453-5226 ·
FSC 5310 Nuts and Washers · CAGE 03640 · 197A203-1
Surface Treatment Document and Classification: MIL-F-14072 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Overall Diameter: 1.375 INCHES NOMINAL IN
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: PASSIVATE OVERALL
Peripheral Shape Style: ROUND
Material: STEEL COMP 304 OVERALL
Center Hole Shape Style: ROUND
Identification
NSN: 5310-01-453-5226
NIIN: 014535226
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 197A203-1
Manufacturer: Lockheed Martin Corporation Div Rotary and Mission Systems
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-453-5226, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 9 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
5310-01-453-5226
Primary Part Number
197A203-1
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Lockheed Martin Corporation Div Rotary and Mission Systems
Status
ACTIVE
Surface Treatment Document and Classification
MIL-F-14072 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Lockheed Martin Corporation Div Rotary and Mission Systems (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
5310-00-000-1146
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
5310-00-000-5236
5310-00-000-5236 · Item name not on file
Related Parts in Hardware and Abrasives
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
4G19063-105A
5310-00-000-0079
WASHER,FLAT
10910174-33
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
5310-00-000-5236
5310-00-000-5236 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-453-5226?
NSN 5310-01-453-5226 is a Washer,flat, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-453-5226?
NSN 5310-01-453-5226 has 1 manufacturer part number on file: 197A203-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
What are the specifications of 197A203-1?
Key specifications for 197A203-1: Surface Treatment Document and Classification: MIL-F-14072 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 1.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PASSIVATE OVERALL. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-453-5226 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.