PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A1100Dispenser,pressuriz

Ordnance Technology Service, Inc. · NSN 4921-01-029-9529 · FSC 4921 · No Item Name Available
Verified by PartsTable
NSN 4921-01-029-9529 — this item is cataloged by the U.S. Government under National Stock Number 4921-01-029-9529. Primary manufacturer part number: A1100.
Features
  • Dispenser,pressuriz — FSC 4921
  • 2 verified cross-references
  • Primary manufacturer: Ordnance Technology Service, Inc.
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Dispenser,pressuriz, cataloged under National Stock Number 4921-01-029-9529, is classified within Federal Supply Class 4921 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Ordnance Technology Service, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDispenser,pressuriz
FSC / FSG4921 — No Item Name Available (FSG 49)
ManufacturersOrdnance Technology Service, Inc. (CAGE 0F1X1); O T S I (CAGE 05825)
Technical Specifications
ParameterValue
NSN4921-01-029-9529
Primary Part NumberA1100
Item NameDispenser,pressuriz
FSC / FSG4921 / 49 — No Item Name Available
ManufacturerOrdnance Technology Service, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-093-8122A1100 INTERCHANGEABLE
Switch,rotary
Shallco, Inc
8455-00-132-1106 INTERCHANGEABLE
Insignia,shoulder Sleeve
3439-00-254-5030 INTERCHANGEABLE
Rod,welding
1680-00-348-9206321940 INTERCHANGEABLE
Actuator,mechanical,aircraft
Hydro-Aire Aerospace Corp
5910-00-989-6427 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
2920-01-083-8225A1-100 INTERCHANGEABLE
Alternator,brushless
C E Niehoff & Co
5310-01-135-3368500038 INTERCHANGEABLE
Nut
Niantic Tool, Inc. Dba Niantic Tool Co
3410-01-207-8141 INTERCHANGEABLE
Head Assembly
6530-01-257-5087A-1100 INTERCHANGEABLE
Urinal,incontinent
Medical Marketing Group Inc Manufacturing Div
4730-01-343-3264 INTERCHANGEABLE
Adapter,straight,flange to Tube
Cross-Reference Index
Part NumberManufacturer
A1100 PRIMARY Ordnance Technology Service, Inc. (USA)
DA48394 O T S I (USA)
Related Parts
5930-00-093-8122INTERCHANGEABLE
SWITCH,ROTARY
A1100
8455-00-132-1106INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
3439-00-254-5030INTERCHANGEABLE
ROD,WELDING
1680-00-348-9206INTERCHANGEABLE
ACTUATOR,MECHANICAL,AIRCRAFT
321940
5910-00-989-6427INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
2920-01-083-8225INTERCHANGEABLE
ALTERNATOR,BRUSHLESS
A1-100
5310-01-135-3368INTERCHANGEABLE
NUT
500038
3410-01-207-8141INTERCHANGEABLE
HEAD ASSEMBLY
6530-01-257-5087INTERCHANGEABLE
URINAL,INCONTINENT
A-1100
4730-01-343-3264INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO TUBE
6515-01-368-7812INTERCHANGEABLE
PISTON AND CLUTCH ASSEMBLY,HYPOD
A-1100
8455-01-528-8774INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4921-01-029-9529?

NSN 4921-01-029-9529 is a Dispenser,pressuriz, manufactured by Ordnance Technology Service, Inc., classified under FSC 4921 (No Item Name Available). Status: active.

What are the part numbers for NSN 4921-01-029-9529?

NSN 4921-01-029-9529 has 2 cross-referenced part numbers: A1100 (Ordnance Technology Service, Inc.), DA48394 (O T S I).

What NSN replaces 4921-01-029-9529?

There are 12 known substitutes for 4921-01-029-9529: 5930-00-093-8122, 8455-00-132-1106, 3439-00-254-5030 and 9 more. Verify interchangeability with system specifications before substitution.

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