NSN 5310-01-703-1880 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-703-1880. Manufacturer of record part number: 1779787F.
Also searched as5310-01-703-1880 ·
5310017031880 ·
NIIN 017031880 ·
01-703-1880 ·
FSC 5310 Nuts and Washers · CAGE A4249 · 1779787F
Distance Across Split Opening: 0.6 MILLIMETERS NOMINAL MM
Hardness Rating: 41.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
Style Designator: SPLIT
Outside Diameter: 6.2 MILLIMETERS NOMINAL MM
Material Thickness: 0.7 MILLIMETERS NOMINAL MM
Material: STEEL OVERALL
Hole Diameter: 3.1 MILLIMETERS MINIMUM AND 3.4 MILLIMETERS MAXIMUM MM
Identification
NSN: 5310-01-703-1880
NIIN: 017031880
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1779787F
Manufacturer: Iveco Defence Vehicles S.p.a.
General Description
The Washer,spring Tension, cataloged under National Stock Number 5310-01-703-1880, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Iveco Defence Vehicles S.p.a.. 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
5310-01-703-1880
Primary Part Number
1779787F
Item Name
Washer,spring Tension
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Iveco Defence Vehicles S.p.a.
Status
ACTIVE
Distance Across Split Opening
0.6 MILLIMETERS NOMINAL MM
Hardness Rating
41.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM
Style Designator
SPLIT
Outside Diameter
6.2 MILLIMETERS NOMINAL MM
Material Thickness
0.7 MILLIMETERS NOMINAL MM
Material
STEEL OVERALL
Hole Diameter
3.1 MILLIMETERS MINIMUM AND 3.4 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 5310-01-703-1880?
NSN 5310-01-703-1880 is a Washer,spring Tension, manufactured by Iveco Defence Vehicles S.p.a., classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-703-1880?
NSN 5310-01-703-1880 has 1 manufacturer part number on file: 1779787F (Iveco Defence Vehicles S.p.a.).
What are the specifications of 1779787F?
Key specifications for 1779787F: Distance Across Split Opening: 0.6 MILLIMETERS NOMINAL MM; Hardness Rating: 41.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT; Outside Diameter: 6.2 MILLIMETERS NOMINAL MM. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-703-1880 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.