Nut, Plain, Hexagon5310-01-181-2492

NSN 5310-01-181-2492 · NIIN 011812492 · Part number 99K4B-V PIECE 9

Pentair Pump Group, Inc. Dba Fairbanks Morse Pump · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 10613

Government record, cited

NSN 5310-01-181-2492 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-181-2492. Manufacturer of record part number: 99K4B-V PIECE 9.

Also searched as 5310-01-181-2492 · 5310011812492 · NIIN 011812492 · 01-181-2492 · FSC 5310 Nuts and Washers · CAGE 10613 · 99K4B-V PIECE 9

Nearby stock numbers ← 5310-01-181-2452 Washer, Lock · 5310-01-181-2494 Nut, Plain, Extended Washer, Hexago →

5310-01-181-2492 — Nuts and Washers

Features

Nut,plain,hexagon — FSC 5310
Thread Series: UNF
Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Direction: RIGHT-HAND
Nominal Thread Size: 1.125 INCHES IN
Nut Style: HEXAGON
Thread Class: 2B
Thread Quantity Per Inch: 12

Identification

NSN: 5310-01-181-2492
NIIN: 011812492
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 99K4B-V PIECE 9
Manufacturer: Pentair Pump Group, Inc. Dba Fairbanks Morse Pump

General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-181-2492, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pentair Pump Group, Inc. Dba Fairbanks Morse Pump. Government technical data includes 8 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	5310-01-181-2492
Primary Part Number	99K4B-V PIECE 9
Item Name	Nut,plain,hexagon
FSC / FSG	5310 / 53 — Nuts and Washers
Manufacturer	Pentair Pump Group, Inc. Dba Fairbanks Morse Pump
Status	ACTIVE
Thread Series	UNF
Material Document and Classification	QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Direction	RIGHT-HAND
Nominal Thread Size	1.125 INCHES IN
Nut Style	HEXAGON
Thread Class	2B
Thread Quantity Per Inch	12
Material	NICKEL ALLOY 400 OVERALL

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
99K4B-V PIECE 9 PRIMARY	Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (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 5310-01-181-2492?

NSN 5310-01-181-2492 is a Nut,plain,hexagon, manufactured by Pentair Pump Group, Inc. Dba Fairbanks Morse Pump, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-01-181-2492?

NSN 5310-01-181-2492 has 1 manufacturer part number on file: 99K4B-V PIECE 9 (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump).

What are the specifications of 99K4B-V PIECE 9?

Key specifications for 99K4B-V PIECE 9: Thread Series: UNF; Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.125 INCHES IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-01-181-2492 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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