PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N21749Nut,adjusting,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 5310-01-208-2099 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-208-2099 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-208-2099. Primary manufacturer part number: N21749.
Features
  • Nut,adjusting,valve — FSC 5310
  • General Characteristics Item Description: CRES,AISI TYPE 302; 1-14NF-3B THD SIZE; 2 IN. O/A LG,1-1/2 IN. O/A W,13/16 IN. O/A H IN
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Flow control in piping systems
  • Pressure regulation
General Description

The Nut,adjusting,valve, cataloged under National Stock Number 5310-01-208-2099, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-208-2099
Primary Part NumberN21749
Item NameNut,adjusting,valve
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
General Characteristics Item DescriptionCRES,AISI TYPE 302; 1-14NF-3B THD SIZE; 2 IN. O/A LG,1-1/2 IN. O/A W,13/16 IN. O/A H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2925-00-156-44958640279P1 INTERCHANGEABLE
Body
General Electric Company
3455-00-580-849321749 INTERCHANGEABLE
Blade,hole Saw
Black and Decker Us Inc
5330-00-599-645234925 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6625-00-720-28158462 INTERCHANGEABLE
Lead Set,test
Gc/waldom Inc
5340-00-737-2351021749 INTERCHANGEABLE
Boot,dust and Moisture Seal
Caterpillar Inc Div Caterpillar Defense
2930-00-767-402021749 INTERCHANGEABLE
Manifold,water,front
Cummins Inc.
4820-01-107-709421751 INTERCHANGEABLE
Valve,calibrated Flow
Kold-Ban International Ltd Div Kbi
5998-01-132-376721749 INTERCHANGEABLE
Circuit Card Assembly
L3 Technologies, Inc. Div Communication Systems-West
5342-01-181-047621749 INTERCHANGEABLE
Pad
Alliance Laundry Systems Llc
5999-01-198-7066 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Cross-Reference Index
Part NumberManufacturer
21749 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
15747N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
15747N PIECE 16 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N21749 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
2925-00-156-4495INTERCHANGEABLE
BODY
8640279P1
3455-00-580-8493INTERCHANGEABLE
BLADE,HOLE SAW
21749
5330-00-599-6452INTERCHANGEABLE
SEAL,PLAIN ENCASED
34925
6625-00-720-2815INTERCHANGEABLE
LEAD SET,TEST
8462
5340-00-737-2351INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
021749
2930-00-767-4020INTERCHANGEABLE
MANIFOLD,WATER,FRONT
21749
4820-01-107-7094INTERCHANGEABLE
VALVE,CALIBRATED FLOW
21751
5998-01-132-3767INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21749
5342-01-181-0476INTERCHANGEABLE
PAD
21749
5999-01-198-7066INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
4820-01-207-9865INTERCHANGEABLE
VALVE,PRESSURE EQUALIZING,GASEOU
N324160058
5360-01-327-6069INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21749

Frequently Asked Questions

What is NSN 5310-01-208-2099?

NSN 5310-01-208-2099 is a Nut,adjusting,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-208-2099?

NSN 5310-01-208-2099 has 4 cross-referenced part numbers: 21749 (Leslie Controls, Inc. Dba Leslie Controls Inc), 15747N (Leslie Controls, Inc. Dba Leslie Controls Inc), 15747N PIECE 16 (Leslie Controls, Inc. Dba Leslie Controls Inc), N21749 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 5310-01-208-2099?

There are 12 known substitutes for 5310-01-208-2099: 2925-00-156-4495, 3455-00-580-8493, 5330-00-599-6452 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N21749?

Key specifications for N21749: General Characteristics Item Description: CRES,AISI TYPE 302; 1-14NF-3B THD SIZE; 2 IN. O/A LG,1-1/2 IN. O/A W,13/16 IN. O/A H IN. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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