NSN 5310-01-727-7491 · NIIN 017277491 · Part number DRR-1
Olympus America Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 1KY21
Government record, cited
NSN 5310-01-727-7491 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-727-7491. Manufacturer of record part number: DRR-1.
Also searched as5310-01-727-7491 ·
5310017277491 ·
NIIN 017277491 ·
01-727-7491 ·
FSC 5310 Nuts and Washers · CAGE 1KY21 · DRR-1
Nearby stock numbers← 5310-01-727-7279 Nut Assembly, Self-Locking, Gang C
·
5310-01-727-7646 Nut, Plain, Plate →
5310-01-727-7491 — Nuts and Washers
Features
Nut,plain,round — FSC 5310
Thread Series: UN
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.4375 INCHES IN
Nut Diameter: 0.5625 INCHES NOMINAL IN
Nut Thickness: 0.281 INCHES NOMINAL IN
Nut Style: ROUND
Thread Class: 2B
Identification
NSN: 5310-01-727-7491
NIIN: 017277491
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: DRR-1
Manufacturer: Olympus America Inc
General Description
The Nut,plain,round, cataloged under National Stock Number 5310-01-727-7491, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Olympus America Inc. Government technical data includes 9 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.
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 5310-01-727-7491?
NSN 5310-01-727-7491 is a Nut,plain,round, manufactured by Olympus America Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-727-7491?
NSN 5310-01-727-7491 has 1 manufacturer part number on file: DRR-1 (Olympus America Inc).
What are the specifications of DRR-1?
Key specifications for DRR-1: Thread Series: UN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.4375 INCHES IN; Nut Diameter: 0.5625 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-727-7491 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.