Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL OVERALL
Center Hole Shape Style: ROUND
Identification
NSN: 5310-00-172-5192
NIIN: 001725192
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-172-5192, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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
5310-00-172-5192
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Status
ACTIVE
Overall Diameter
2.062 INCHES NOMINAL IN
Heat Treatment
AS FABRICATED
Hardness Rating
48.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
STEEL OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
1.156 INCHES NOMINAL IN
Thickness
0.153 INCHES NOMINAL IN
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.
5330-00-906-1811POSSIBLE MATCH
PACKING,PREFORMED
Possible match (shared part number)
5935-00-949-1597143-1001-54POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)Tabet Manufacturing Company, Inc. Dba Tabet Manufacturing Co Inc
5930-01-162-730714354POSSIBLE MATCH
SWITCH,ROTARY
Possible match (shared part number)Kurz & Root Generator Company, Llc
5935-01-447-5782POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
Possible match (shared part number)
5365-01-527-595314354POSSIBLE MATCH
SPACER,RING
Possible match (shared part number)DP Manufacturing Inc.
5985-01-729-06541435-4POSSIBLE MATCH
DUMMY LOAD,ELECTRICAL
Possible match (shared part number)Spectrum Control Inc Div Weinschel
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
14354
3/9Design control — primary reference
U.S. Government activity
1076-2003
5/9Secondary reference
Herwaythorn Sa
Related Parts
5330-00-906-1811POSSIBLE MATCH
PACKING,PREFORMED
5935-00-949-1597POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
143-1001-54
5930-01-162-7307POSSIBLE MATCH
SWITCH,ROTARY
14354
5935-01-447-5782POSSIBLE MATCH
CONNECTOR,RECEPTACLE,ELECTRICAL
5365-01-527-5953POSSIBLE MATCH
SPACER,RING
14354
5985-01-729-0654POSSIBLE MATCH
DUMMY LOAD,ELECTRICAL
1435-4
Frequently Asked Questions
What is NSN 5310-00-172-5192?
NSN 5310-00-172-5192 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
What NSN replaces 5310-00-172-5192?
6 possible matches (shared part number, not a government interchangeability claim): 5330-00-906-1811, 5935-00-949-1597, 5930-01-162-7307. Verify interchangeability with system specifications before substitution.
What are the specifications of 5310-00-172-5192?
Key specifications for 5310-00-172-5192: Overall Diameter: 2.062 INCHES NOMINAL IN; Heat Treatment: AS FABRICATED; Hardness Rating: 48.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM; Cross-Sectional Shape Style: RECTANGULAR. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-172-5192 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.