NSN 5310-01-506-0740 · NIIN 015060740 · Part number 991W02-1AF
Howmet Global Fastening Systems Inc. Div Tridair Products · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 29372
Government record, cited
NSN 5310-01-506-0740 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-506-0740. Manufacturer of record part number: 991W02-1AF.
Also searched as5310-01-506-0740 ·
5310015060740 ·
NIIN 015060740 ·
01-506-0740 ·
FSC 5310 Nuts and Washers · CAGE 29372 · 991W02-1AF · 81.90713-0045
Manufacturer of record: Howmet Global Fastening Systems Inc. Div Tridair Products
Identification
NSN: 5310-01-506-0740
NIIN: 015060740
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 991W02-1AF
Manufacturer: Howmet Global Fastening Systems Inc. Div Tridair Products
General Description
The Washer,spring Tension, cataloged under National Stock Number 5310-01-506-0740, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 1 specification, 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
5310-01-506-0740
Primary Part Number
991W02-1AF
Item Name
Washer,spring Tension
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Howmet Global Fastening Systems Inc. Div Tridair Products
Howmet Global Fastening Systems Inc. Div Tridair Products (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
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 5310-01-506-0740?
NSN 5310-01-506-0740 is a Washer,spring Tension, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-506-0740?
NSN 5310-01-506-0740 has 2 manufacturer part numbers on file: 81.90713-0045 (Man Truck & Bus Se), 991W02-1AF (Howmet Global Fastening Systems Inc. Div Tridair Products).
What are the specifications of 991W02-1AF?
Key specifications for 991W02-1AF: Material: STEEL OVERALL. 1 specification is documented in the U.S. Government catalog.
Is NSN 5310-01-506-0740 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.