NSN 5310-00-656-0206 · NIIN 006560206 · Part number 1287041-1
Honeywell Intl Inc Defense Avionics Systems · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 55972
Government record, cited
NSN 5310-00-656-0206 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-656-0206. Manufacturer of record part number: 1287041-1.
Also searched as5310-00-656-0206 ·
5310006560206 ·
NIIN 006560206 ·
00-656-0206 ·
FSC 5310 Nuts and Washers · CAGE 55972 · 1287041-1 · 9053393
Surface Treatment Document and Classification: MIL-S-171 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-S-171 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
Style Designator: SPRING TENSION
Material Document and Classification: MIL-S-7947,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 2.244 INCHES NOMINAL IN
Material Thickness: 0.034 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Surface Treatment: CADMIUM AND CHROMATE OVERALL
Identification
NSN: 5310-00-656-0206
NIIN: 006560206
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 1287041-1
Manufacturer: Honeywell Intl Inc Defense Avionics Systems
General Description
The Washer,spring Tension, cataloged under National Stock Number 5310-00-656-0206, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. 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
5310-00-656-0206
Primary Part Number
1287041-1
Item Name
Washer,spring Tension
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Honeywell Intl Inc Defense Avionics Systems
Status
ACTIVE
Surface Treatment Document and Classification
MIL-S-171 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-S-171 MIL SPEC 2ND TREATMENT RESPONSE OVERALL
Hardness Rating
43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM
Style Designator
SPRING TENSION
Material Document and Classification
MIL-S-7947,COND A MIL 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 5310-00-656-0206?
NSN 5310-00-656-0206 is a Washer,spring Tension, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-656-0206?
NSN 5310-00-656-0206 has 2 manufacturer part numbers on file: 1287041-1 (Honeywell Intl Inc Defense Avionics Systems), 9053393 (Us Army Aviation and Missile Command).
What are the specifications of 1287041-1?
Key specifications for 1287041-1: Overall Height: 0.087 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-S-171 MIL SPEC 1ST TREATMENT RESPONSE AND MIL-S-171 MIL SPEC 2ND TREATMENT RESPONSE OVERALL; Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-656-0206 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.