NSN 5310-01-556-3464 · NIIN 015563464 · Part number 04-00397
Irwin International, Inc. Dba Irwin International Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1DJG0
Government record, cited
NSN 5310-01-556-3464 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-556-3464. Manufacturer of record part number: 04-00397.
Also searched as5310-01-556-3464 ·
5310015563464 ·
NIIN 015563464 ·
01-556-3464 ·
FSC 5310 Nuts and Washers · CAGE 1DJG0 · 04-00397
Manufacturer of record: Irwin International, Inc. Dba Irwin International Inc
Identification
NSN: 5310-01-556-3464
NIIN: 015563464
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 04-00397
Manufacturer: Irwin International, Inc. Dba Irwin International Inc
General Description
The Washer,concave, cataloged under National Stock Number 5310-01-556-3464, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Irwin International, Inc. Dba Irwin International Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-556-3464
Primary Part Number
04-00397
Item Name
Washer,concave
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Irwin International, Inc. Dba Irwin International Inc
Irwin International, Inc. Dba Irwin International Inc (USA)
Reference documents
Reference
Meaning
04-00397
3/9Design control — primary reference
Aircraft Spruce and Specialty Co a Div of Honeywell Inc
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 5310-01-556-3464?
NSN 5310-01-556-3464 is a Washer,concave, manufactured by Irwin International, Inc. Dba Irwin International Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-556-3464?
NSN 5310-01-556-3464 has 1 manufacturer part number on file: 04-00397 (Irwin International, Inc. Dba Irwin International Inc).
What are the specifications of 04-00397?
Key specifications for 04-00397: Special Features: 0.500 OD X 0.012 T. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-556-3464 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.