PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H299-37Catch,clamping

Hartwell Corporation · NSN 5340-01-032-3972 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-032-3972 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-032-3972. Primary manufacturer part number: H299-37.
Features
  • Catch,clamping — FSC 5340
  • Surface Treatment: PASSIVATE OVERALL
  • Hole Diameter: 0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
  • Engaging Surface Width: 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
  • Hole Quantity: 10
  • Material: STEEL OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Hartwell Corporation
Applications
  • Applications requiring Steel Overall construction
General Description

The Catch,clamping, cataloged under National Stock Number 5340-01-032-3972, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hartwell Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-032-3972
Primary Part NumberH299-37
Item NameCatch,clamping
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerHartwell Corporation
StatusACTIVE
Surface TreatmentPASSIVATE OVERALL
Hole Diameter0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN
Engaging Surface Width1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN
Hole Quantity10
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 7
5305-00-052-8241 INTERCHANGEABLE
Screw,tapping
5930-00-195-41578010 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
5930-00-740-700680105 INTERCHANGEABLE
Switch,toggle
Pakon Inc Dba Impak Division
5310-01-029-306780105 INTERCHANGEABLE
Washer,dimpled
Triumph Engine Control Systems Llc
4820-01-281-103080105 INTERCHANGEABLE
Parts Kit,valve
W.w. Grainger, Inc. Div Government Sales Division
5310-01-568-392480105 INTERCHANGEABLE
Nut,plain,assembled Washer
Hutchinson Industries, Inc Div Defense and Industry
4730-01-568-71058010-5 INTERCHANGEABLE
Nipple,quick-Disconnect
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division
Cross-Reference Index
Part NumberManufacturer
H299-37 PRIMARY Hartwell Corporation (USA)
80105 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
5305-00-052-8241INTERCHANGEABLE
SCREW,TAPPING
5930-00-195-4157INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
8010
5930-00-740-7006INTERCHANGEABLE
SWITCH,TOGGLE
80105
5310-01-029-3067INTERCHANGEABLE
WASHER,DIMPLED
80105
4820-01-281-1030INTERCHANGEABLE
PARTS KIT,VALVE
80105
5310-01-568-3924INTERCHANGEABLE
NUT,PLAIN,ASSEMBLED WASHER
80105
4730-01-568-7105INTERCHANGEABLE
NIPPLE,QUICK-DISCONNECT
8010-5

Frequently Asked Questions

What is NSN 5340-01-032-3972?

NSN 5340-01-032-3972 is a Catch,clamping, manufactured by Hartwell Corporation, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-032-3972?

NSN 5340-01-032-3972 has 2 cross-referenced part numbers: H299-37 (Hartwell Corporation), 80105 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5340-01-032-3972?

There are 7 known substitutes for 5340-01-032-3972: 5305-00-052-8241, 5930-00-195-4157, 5930-00-740-7006 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H299-37?

Key specifications for H299-37: Surface Treatment: PASSIVATE OVERALL; Hole Diameter: 0.061 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN; Overall Width: 1.730 INCHES MINIMUM AND 1.770 INCHES MAXIMUM IN; Engaging Surface Width: 1.480 INCHES MINIMUM AND 1.520 INCHES MAXIMUM IN. 8 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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