NSN 5310-00-413-6522 · NIIN 004136522 · Part number 2S7593
Caterpillar Inc Div Caterpillar Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5310-00-413-6522 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-413-6522. Manufacturer of record part number: 2S7593.
Also searched as5310-00-413-6522 ·
5310004136522 ·
NIIN 004136522 ·
00-413-6522 ·
FSC 5310 Nuts and Washers · CAGE 11083 · 2S7593 · 2S-7593 · 2S-7593
Overall Diameter: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
Material Document and Classification: 1E492,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL OVERALL
Center Hole Shape Style: ROUND
Identification
NSN: 5310-00-413-6522
NIIN: 004136522
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 2S7593
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-413-6522, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-413-6522
Primary Part Number
2S7593
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Overall Diameter
1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
Hardness Rating
36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
Material Document and Classification
1E492,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL
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 5310-00-413-6522?
NSN 5310-00-413-6522 is a Washer,flat, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-413-6522?
NSN 5310-00-413-6522 has 3 manufacturer part numbers on file: 2S-7593 (Navantia - Propulsion Y Energia Motores - Cartagena), 2S-7593 (Navantia Sa Sme. Div Navantia Hq), 2S7593 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 2S7593?
Key specifications for 2S7593: Overall Diameter: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN; Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM; Material Document and Classification: 1E492,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-413-6522 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.