PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75020Register,air

Hart & Cooley, Inc. · NSN 4520-01-631-5651 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-631-5651 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-631-5651. Primary manufacturer part number: 75020.
Features
  • Register,air — FSC 4520
  • 1 verified cross-reference
  • Primary manufacturer: Hart & Cooley, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Register,air, cataloged under National Stock Number 4520-01-631-5651, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Hart & Cooley, Inc.. This item has 1 commercial cross-reference 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
NSN4520-01-631-5651
Primary Part Number75020
Item NameRegister,air
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerHart & Cooley, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2610-00-204-3914 INTERCHANGEABLE
Tire,pneumatic,vehicular
2610-00-227-0354 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
2610-00-269-7347 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
2610-00-294-4927 INTERCHANGEABLE
Tire,pneumatic,vehicular
2610-00-350-997012504881 INTERCHANGEABLE
Tire,pneumatic,vehicular
U S Army Tank Automotive Command Amsta-Im-Mm
2640-00-451-8088301SB410 INTERCHANGEABLE
Flap,inner Tube,pneumatic Tire
Dana Off Highway Products, Llc
5315-00-702-561875020 INTERCHANGEABLE
Pin,straight,headless
Triumph Engine Control Systems Llc
2835-00-777-173175020 INTERCHANGEABLE
Bracket Assembly
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
2530-01-101-7187 INTERCHANGEABLE
Steering Wheel
7310-01-106-968275020 INTERCHANGEABLE
Adapter Bar
The Vollrath Company, L.l.c. Div Vollrath
Cross-Reference Index
Part NumberManufacturer
75020 PRIMARY Hart & Cooley, Inc. (USA)
Related Parts
2610-00-204-3914INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
2610-00-227-0354INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
2610-00-269-7347INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
2610-00-294-4927INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
2610-00-350-9970INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
12504881
2640-00-451-8088INTERCHANGEABLE
FLAP,INNER TUBE,PNEUMATIC TIRE
301SB410
5315-00-702-5618INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
75020
2835-00-777-1731INTERCHANGEABLE
BRACKET ASSEMBLY
75020
2530-01-101-7187INTERCHANGEABLE
STEERING WHEEL
7310-01-106-9682INTERCHANGEABLE
ADAPTER BAR
75020
5360-01-176-9382INTERCHANGEABLE
SPRING
75020
4720-01-367-1945INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
75020

Frequently Asked Questions

What is NSN 4520-01-631-5651?

NSN 4520-01-631-5651 is a Register,air, manufactured by Hart & Cooley, Inc., classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-631-5651?

NSN 4520-01-631-5651 has 1 cross-referenced part number: 75020 (Hart & Cooley, Inc.).

What NSN replaces 4520-01-631-5651?

There are 12 known substitutes for 4520-01-631-5651: 2610-00-204-3914, 2610-00-227-0354, 2610-00-269-7347 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 75020?

Key specifications for 75020: Part Name Assigned by Controlling Agency: SUPPY REGISTER W/DAMPER 14; Special Features: ALL STEEL CONSTRUCTION; VERTICAL ADJUSTABLE FACE BARS; HORZONTAL MULTI-SHUTTER-VALVE; BRIGHT WHITE FINISH; STANDARD DIMENSION: 14"X10" NECK; METRIC DIMENSION: 355.6MM X 254MM NECK MM. 2 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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