NSN 5310-00-641-1347 · NIIN 006411347 · Part number Q9S777-66
Falls Filtration Technologies, Inc. · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 00736
Government record, cited
NSN 5310-00-641-1347 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-641-1347. Manufacturer of record part number: Q9S777-66.
Also searched as5310-00-641-1347 ·
5310006411347 ·
NIIN 006411347 ·
00-641-1347 ·
FSC 5310 Nuts and Washers · CAGE 00736 · Q9S777-66 · 21441-23
Overall Diameter: 2.045 INCHES MINIMUM AND 2.075 INCHES MAXIMUM IN
Material Document and Classification: C-F-206,TYPE 1,CL 16R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Minimum Tensile Strength: 400 POUNDS PER SQUARE INCH LBS
Peripheral Shape Style: ROUND
Material: WOOL COMP 16R3 OVERALL
Center Hole Shape Style: ROUND
Identification
NSN: 5310-00-641-1347
NIIN: 006411347
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: Q9S777-66
Manufacturer: Falls Filtration Technologies, Inc.
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-641-1347, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Falls Filtration Technologies, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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
5310-00-641-1347
Primary Part Number
Q9S777-66
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Falls Filtration Technologies, Inc.
Status
ACTIVE
Overall Diameter
2.045 INCHES MINIMUM AND 2.075 INCHES MAXIMUM IN
Material Document and Classification
C-F-206,TYPE 1,CL 16R3 FED SPEC 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 5310-00-641-1347?
NSN 5310-00-641-1347 is a Washer,flat, manufactured by Falls Filtration Technologies, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-641-1347?
NSN 5310-00-641-1347 has 2 manufacturer part numbers on file: Q9S777-66 (Falls Filtration Technologies, Inc.), 21441-23 (Cummins Inc.).
What are the specifications of Q9S777-66?
Key specifications for Q9S777-66: Overall Diameter: 2.045 INCHES MINIMUM AND 2.075 INCHES MAXIMUM IN; Material Document and Classification: C-F-206,TYPE 1,CL 16R3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Minimum Tensile Strength: 400 POUNDS PER SQUARE INCH LBS. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-641-1347 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.