PartsTable TECHNICAL DATA SHEET

NSN 5310-01-500-3078Government record, cited

Nut, Plain, Hexagon5310-01-500-3078

NSN 5310-01-500-3078 · NIIN 015003078 · Part number 91841A195

Mcmaster-Carr Supply Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 39428

Government record, cited

NSN 5310-01-500-3078 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-500-3078. Manufacturer of record part number: 91841A195.

Also searched as 5310-01-500-3078 · 5310015003078 · NIIN 015003078 · 01-500-3078 · FSC 5310 Nuts and Washers · CAGE 39428 · 91841A195 · FS00249 · M1497-129109

Nearby stock numbers ← 5310-01-500-3069 Nut, Self-Locking, Plate · 5310-01-500-3163 Washer, Flat →

5310-01-500-3078 — Nuts and Washers

Features

Nut,plain,hexagon — FSC 5310
Width Across Flats: 0.375 INCHES NOMINAL IN
Thread Series: UNF
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.190 INCHES IN
Nut Height: 0.125 INCHES NOMINAL IN
Nut Style: HEXAGON
Thread Class: 2B

Identification

NSN: 5310-01-500-3078
NIIN: 015003078
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 91841A195
Manufacturer: Mcmaster-Carr Supply Co

General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-500-3078, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	5310-01-500-3078
Primary Part Number	91841A195
Item Name	Nut,plain,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Mcmaster-Carr Supply Co
Status	ACTIVE
Width Across Flats	0.375 INCHES NOMINAL IN
Thread Series	UNF
Thread Direction	RIGHT-HAND
Nominal Thread Size	0.190 INCHES IN
Nut Height	0.125 INCHES NOMINAL IN
Nut Style	HEXAGON
Thread Class	2B
Thread Quantity Per Inch	32
Material	STEEL CORROSION RESISTING OVERALL
Bearing Surface Type	CHAMFERED

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
FS00249	Aspen Systems, Inc. (USA)
91841A195 PRIMARY	Mcmaster-Carr Supply Co (USA)

Reference documents

Reference	Meaning
M1497-129109	6/9 Informative reference only Forsvarets Materielverk

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 5310-01-500-3078?

NSN 5310-01-500-3078 is a Nut,plain,hexagon, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-500-3078?

NSN 5310-01-500-3078 has 2 manufacturer part numbers on file: FS00249 (Aspen Systems, Inc.), 91841A195 (Mcmaster-Carr Supply Co).

What are the specifications of 91841A195?

Key specifications for 91841A195: Width Across Flats: 0.375 INCHES NOMINAL IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.190 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-500-3078 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.

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