NSN 5310-01-609-3977 · NIIN 016093977 · Part number AEW23X10W000EA1M51
The American Society of Mechanical Engineers · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05047
Government record, cited
NSN 5310-01-609-3977 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-609-3977. Manufacturer of record part number: AEW23X10W000EA1M51.
Also searched as5310-01-609-3977 ·
5310016093977 ·
NIIN 016093977 ·
01-609-3977 ·
FSC 5310 Nuts and Washers · CAGE 05047 · AEW23X10W000EA1M51 · 3836239 · 3836239015 · 3836239015 · 3836239
Manufacturer of record: The American Society of Mechanical Engineers
Identification
NSN: 5310-01-609-3977
NIIN: 016093977
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: AEW23X10W000EA1M51
Manufacturer: The American Society of Mechanical Engineers
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-609-3977, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Washer,flat
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
The American Society of Mechanical Engineers (CAGE 05047); Oshkosh Defense Llc (CAGE 75Q65); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207)
Technical Specifications
Parameter
Value
NSN
5310-01-609-3977
Primary Part Number
AEW23X10W000EA1M51
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
The American Society of Mechanical Engineers
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-01-631-9624AEW23X05N000EA1M51POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)The American Society of Mechanical Engineers
5310-01-647-84403836239007POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Oshkosh Defense Llc
5310-01-651-42313836239005POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Oshkosh Defense Llc
5310-01-652-62483836239006POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)Oshkosh Defense Llc
5310-01-652-6342AEW23X06W000EA1M51POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)The American Society of Mechanical Engineers
5310-01-652-968612600125-023POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5310-01-652-9976AEW23X04W000EA1M51POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)The American Society of Mechanical Engineers
5310-01-653-0018AEW23X05R000EA1M31POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)The American Society of Mechanical Engineers
5310-01-653-2617AEW23X16W000EA1M51POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)The American Society of Mechanical Engineers
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
3836239
D/9Drawing number reference only
Oshkosh Corp
3836239015
5/9Secondary reference
Oshkosh Corp
3836239
D/9Drawing number reference only
Oshkosh Defense Llc
Related Parts
5310-01-631-9624POSSIBLE MATCH
WASHER,FLAT
AEW23X05N000EA1M51
5310-01-647-8440POSSIBLE MATCH
WASHER,FLAT
3836239007
5310-01-651-4231POSSIBLE MATCH
WASHER,FLAT
3836239005
5310-01-652-6248POSSIBLE MATCH
WASHER,FLAT
3836239006
5310-01-652-6342POSSIBLE MATCH
WASHER,FLAT
AEW23X06W000EA1M51
5310-01-652-9686POSSIBLE MATCH
WASHER,FLAT
12600125-023
5310-01-652-9976POSSIBLE MATCH
WASHER,FLAT
AEW23X04W000EA1M51
5310-01-653-0018POSSIBLE MATCH
WASHER,FLAT
AEW23X05R000EA1M31
5310-01-653-2617POSSIBLE MATCH
WASHER,FLAT
AEW23X16W000EA1M51
Frequently Asked Questions
What is NSN 5310-01-609-3977?
NSN 5310-01-609-3977 is a Washer,flat, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-609-3977?
NSN 5310-01-609-3977 has 3 manufacturer part numbers on file: AEW23X10W000EA1M51 (The American Society of Mechanical Engineers), 3836239015 (Oshkosh Defense Llc), 12417975-009 (U S Army Tank Automotive Command Amsta-Im-Mm).
What NSN replaces 5310-01-609-3977?
9 possible matches (shared part number, not a government interchangeability claim): 5310-01-631-9624, 5310-01-647-8440, 5310-01-651-4231. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-609-3977 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.