NSN 5310-01-186-1260 · NIIN 011861260 · Part number 248592
Lockheed Martin Corp Electronics and Missiles Div · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 09205
Government record, cited
NSN 5310-01-186-1260 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-186-1260. Manufacturer of record part number: 248592.
Also searched as5310-01-186-1260 ·
5310011861260 ·
NIIN 011861260 ·
01-186-1260 ·
FSC 5310 Nuts and Washers · CAGE 09205 · 248592
Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
Material Document and Classification: QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 1.550 INCHES NOMINAL IN
Material Thickness: 0.036 INCHES NOMINAL IN
Surface Treatment: PHOSPHATE OVERALL
Material: STEEL OVERALL
Hole Diameter: 1.265 INCHES NOMINAL IN
Identification
NSN: 5310-01-186-1260
NIIN: 011861260
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 248592
Manufacturer: Lockheed Martin Corp Electronics and Missiles Div
General Description
The Washer,spring Tension, cataloged under National Stock Number 5310-01-186-1260, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 7 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
5310-01-186-1260
Primary Part Number
248592
Item Name
Washer,spring Tension
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Lockheed Martin Corp Electronics and Missiles Div
Status
ACTIVE
Hardness Rating
45.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM
Material Document and Classification
QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lockheed Martin Corp Electronics and Missiles Div (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 5310-01-186-1260?
NSN 5310-01-186-1260 is a Washer,spring Tension, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-186-1260?
NSN 5310-01-186-1260 has 2 manufacturer part numbers on file: 248592 (Key Bellevilles Inc), 248592 (Lockheed Martin Corp Electronics and Missiles Div).
What are the specifications of 248592?
Key specifications for 248592: Overall Height: 0.067 INCHES NOMINAL IN; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM; Material Document and Classification: QQ-S-700 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.550 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-186-1260 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.