NSN 5310-01-213-8875 · NIIN 012138875 · Part number RB37059
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 51663
Government record, cited
NSN 5310-01-213-8875 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-213-8875. Manufacturer of record part number: RB37059.
Also searched as5310-01-213-8875 ·
5310012138875 ·
NIIN 012138875 ·
01-213-8875 ·
FSC 5310 Nuts and Washers · CAGE 51663 · RB37059
Nearby stock numbers← 5310-01-213-8874 Washer, Recessed
·
5310-01-213-9186 Nut Assembly, Self-Locking, Gang C →
5310-01-213-8875 — Nuts and Washers
Features
Washer,spring Tension — FSC 5310
Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Style Designator: SPRING TENSION
Outside Diameter: 2.372 INCHES MINIMUM AND 2.377 INCHES MAXIMUM IN
Material Thickness: 0.034 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
Material: STEEL COMP 631 OVERALL
Hole Diameter: 0.497 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
1 manufacturer part number on file
Identification
NSN: 5310-01-213-8875
NIIN: 012138875
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: RB37059
Manufacturer: Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
General Description
The Washer,spring Tension, cataloged under National Stock Number 5310-01-213-8875, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 6 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
5310-01-213-8875
Primary Part Number
RB37059
Item Name
Washer,spring Tension
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec
Status
ACTIVE
Hardness Rating
40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM
Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (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 5310-01-213-8875?
NSN 5310-01-213-8875 is a Washer,spring Tension, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-213-8875?
NSN 5310-01-213-8875 has 1 manufacturer part number on file: RB37059 (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
What are the specifications of RB37059?
Key specifications for RB37059: Overall Height: 0.108 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Outside Diameter: 2.372 INCHES MINIMUM AND 2.377 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-213-8875 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.