NSN 5310-01-023-9100 · NIIN 010239100 · Part number 20-177
Motorola Automotive Electronics · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 31211
Government record, cited
NSN 5310-01-023-9100 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-023-9100. Manufacturer of record part number: 20-177.
Also searched as5310-01-023-9100 ·
5310010239100 ·
NIIN 010239100 ·
01-023-9100 ·
FSC 5310 Nuts and Washers · CAGE 31211 · 20-177
Manufacturer of record: Motorola Automotive Electronics
Identification
NSN: 5310-01-023-9100
NIIN: 010239100
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 20-177
Manufacturer: Motorola Automotive Electronics
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-023-9100, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Motorola Automotive Electronics. 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. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-023-9100
Primary Part Number
20-177
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Motorola Automotive Electronics
Status
ACTIVE
Overall Diameter
0.312 INCHES NOMINAL IN
Surface Treatment
CADMIUM OVERALL
Peripheral Shape Style
ROUND
Material
STEEL OVERALL
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 Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2590-01-028-454310867175POSSIBLE MATCH
WINCH,LEVEL WINDER
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
3110-01-125-899020177POSSIBLE MATCH
BEARING,ROLLER,THRUST
Possible match (shared part number)Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5996-01-246-467520-177POSSIBLE MATCH
AMPLIFIER,AUDIO FREQUENCY
Possible match (shared part number)L3 Technologies, Inc.
4140-01-277-4490020177POSSIBLE MATCH
FAN,TUBEAXIAL
Possible match (shared part number)Rotron Incorporated
NSN 5310-01-023-9100 is a Washer,flat, manufactured by Motorola Automotive Electronics, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-023-9100?
NSN 5310-01-023-9100 has 1 manufacturer part number on file: 20-177 (Motorola Automotive Electronics).
What NSN replaces 5310-01-023-9100?
6 possible matches (shared part number, not a government interchangeability claim): 2590-01-028-4543, 3110-01-125-8990, 5996-01-246-4675. Verify interchangeability with system specifications before substitution.
What are the specifications of 20-177?
Key specifications for 20-177: Overall Diameter: 0.312 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL; Peripheral Shape Style: ROUND; Material: STEEL OVERALL. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-023-9100 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.