NSN 5310-01-160-0787 · NIIN 011600787 · Part number 3T9981
Caterpillar Inc Div Caterpillar Defense · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 11083
Government record, cited
NSN 5310-01-160-0787 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-160-0787. Manufacturer of record part number: 3T9981.
Also searched as5310-01-160-0787 ·
5310011600787 ·
NIIN 011600787 ·
01-160-0787 ·
FSC 5310 Nuts and Washers · CAGE 11083 · 3T9981
Overall Diameter: 44.30 MILLIMETERS MINIMUM AND 44.40 MILLIMETERS MAXIMUM MM
Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL COMP 1215 OVERALL
Center Hole Shape Style: ROUND
Thickness: 2.67 MILLIMETERS MINIMUM AND 2.93 MILLIMETERS MAXIMUM MM
Identification
NSN: 5310-01-160-0787
NIIN: 011600787
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 3T9981
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-160-0787, 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 7 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-160-0787
Primary Part Number
3T9981
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Overall Diameter
44.30 MILLIMETERS MINIMUM AND 44.40 MILLIMETERS MAXIMUM MM
Material Document and Classification
AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
STEEL COMP 1215 OVERALL
Center Hole Shape Style
ROUND
Thickness
2.67 MILLIMETERS MINIMUM AND 2.93 MILLIMETERS MAXIMUM MM
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 5310-01-160-0787?
NSN 5310-01-160-0787 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 5310-01-160-0787?
NSN 5310-01-160-0787 has 1 manufacturer part number on file: 3T9981 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 3T9981?
Key specifications for 3T9981: Overall Diameter: 44.30 MILLIMETERS MINIMUM AND 44.40 MILLIMETERS MAXIMUM MM; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-160-0787 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.