NSN 5310-00-139-0664 · NIIN 001390664 · Part number MBEU26993
Martin-Baker Aircraft Company Limited · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE U1604
Government record, cited
NSN 5310-00-139-0664 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-139-0664. Manufacturer of record part number: MBEU26993.
Also searched as5310-00-139-0664 ·
5310001390664 ·
NIIN 001390664 ·
00-139-0664 ·
FSC 5310 Nuts and Washers · CAGE U1604 · MBEU26993
Surface Treatment Document and Classification: D.S.301-1 FSCM 04253 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Outside Diameter: 0.300 INCHES NOMINAL IN
Surface Treatment: CADMIUM OVERALL
Material: STEEL COMP 630 OVERALL
Hole Diameter: 0.193 INCHES NOMINAL IN
1 manufacturer part number on file
Manufacturer of record: Martin-Baker Aircraft Company Limited
Identification
NSN: 5310-00-139-0664
NIIN: 001390664
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: MBEU26993
Manufacturer: Martin-Baker Aircraft Company Limited
General Description
The Washer,saddle, cataloged under National Stock Number 5310-00-139-0664, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 5 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
5310-00-139-0664
Primary Part Number
MBEU26993
Item Name
Washer,saddle
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Martin-Baker Aircraft Company Limited
Status
ACTIVE
Surface Treatment Document and Classification
D.S.301-1 FSCM 04253 MFR REF SINGLE TREATMENT 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 5310-00-139-0664?
NSN 5310-00-139-0664 is a Washer,saddle, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-139-0664?
NSN 5310-00-139-0664 has 1 manufacturer part number on file: MBEU26993 (Martin-Baker Aircraft Company Limited).
What are the specifications of MBEU26993?
Key specifications for MBEU26993: Overall Height: 0.130 INCHES NOMINAL IN; Surface Treatment Document and Classification: D.S.301-1 FSCM 04253 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Outside Diameter: 0.300 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-139-0664 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.