PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AT-1Valve,pneumatic Inflator

Air Tight, Llc Dba Air Tight Llc · NSN 4820-01-602-5324 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-602-5324 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-602-5324. Primary manufacturer part number: AT-1.
Features
  • Valve,pneumatic Inflator — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Air Tight, Llc Dba Air Tight Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,pneumatic Inflator, cataloged under National Stock Number 4820-01-602-5324, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Air Tight, Llc Dba Air Tight Llc. 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.

Technical Specifications
ParameterValue
NSN4820-01-602-5324
Primary Part NumberAT-1
Item NameValve,pneumatic Inflator
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAir Tight, Llc Dba Air Tight Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4940-00-262-3070 INTERCHANGEABLE
Undercutter,armature Mica,electr
3460-00-455-9051 INTERCHANGEABLE
Arbor,wheel,grinding-Buffing-Wir
5306-00-814-2513727414-1 INTERCHANGEABLE
Bolt,shoulder
Lockheed Martin Corp
4730-01-011-6361IT-1 INTERCHANGEABLE
Strainer,sediment
Spirax Sarco Inc Dba Spirax Sarco
6635-01-671-0415AT1 INTERCHANGEABLE
Transducer,ultrasonic Test
Ndt Systems, Inc.
5120-01-676-6762AT1 INTERCHANGEABLE
Wrench,open End
Trompeter Electronics, Inc.
4730-01-718-3989AT1 INTERCHANGEABLE
Tee,pipe
Abb Installation Products Inc
Cross-Reference Index
Part NumberManufacturer
ADF-AT-1 Rogers-Willex Rogers Axle & Spring Works Pty Ltd (AUS)
AT-1 PRIMARY Air Tight, Llc Dba Air Tight Llc (USA)
Related Parts
4940-00-262-3070INTERCHANGEABLE
UNDERCUTTER,ARMATURE MICA,ELECTR
3460-00-455-9051INTERCHANGEABLE
ARBOR,WHEEL,GRINDING-BUFFING-WIR
5306-00-814-2513INTERCHANGEABLE
BOLT,SHOULDER
727414-1
4730-01-011-6361INTERCHANGEABLE
STRAINER,SEDIMENT
IT-1
6635-01-671-0415INTERCHANGEABLE
TRANSDUCER,ULTRASONIC TEST
AT1
5120-01-676-6762INTERCHANGEABLE
WRENCH,OPEN END
AT1
4730-01-718-3989INTERCHANGEABLE
TEE,PIPE
AT1

Frequently Asked Questions

What is NSN 4820-01-602-5324?

NSN 4820-01-602-5324 is a Valve,pneumatic Inflator, manufactured by Air Tight, Llc Dba Air Tight Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-602-5324?

NSN 4820-01-602-5324 has 2 cross-referenced part numbers: ADF-AT-1 (Rogers-Willex Rogers Axle & Spring Works Pty Ltd), AT-1 (Air Tight, Llc Dba Air Tight Llc).

What NSN replaces 4820-01-602-5324?

There are 7 known substitutes for 4820-01-602-5324: 4940-00-262-3070, 3460-00-455-9051, 5306-00-814-2513 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AT-1?

Key specifications for AT-1: End Item Identification: TRAILER,BOAT. 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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