NSN 4440-00-290-8949 — this item is cataloged by the U.S. Government under National Stock Number 4440-00-290-8949. Manufacturer of record part number: 26800.
Also searched as4440-00-290-8949 ·
4440002908949 ·
NIIN 002908949 ·
00-290-8949 ·
FSC 4440 Driers, Dehydrators, and Anhydrators · CAGE 70000 · 26800 · LGD68 · 26668-007 · 26668-007
The Drying Unit Desiccant, cataloged under National Stock Number 4440-00-290-8949, is classified within Federal Supply Class 4440 (Driers, Dehydrators, and Anhydrators) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is W.a. Hammond Drierite Co, Limited. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4440-00-290-8949
Primary Part Number
26800
Item Name
Drying Unit Desiccant
FSC / FSG
4440 / 44 — Driers, Dehydrators, and Anhydrators
Manufacturer
W.a. Hammond Drierite Co, Limited
Status
ACTIVE
General Characteristics Item Description
ACRYLIC PLASTIC,2.625 IN.DIA,11.375 IN.LENGTH IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-00-529-46891043POSSIBLE MATCH
VALVE,GLOBE
Possible match (shared part number)Aar Allen Services, Inc Dba Aar Component Services Wellington
5325-01-144-1111268-00POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
2825-01-220-6388268001POSSIBLE MATCH
CYLINDER,AIR,STEAM
Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5360-01-410-7896POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)
1095-01-528-693926800POSSIBLE MATCH
HOLSTER,PISTOL
Possible match (shared part number)Axon Enterprise, Inc.
5120-01-534-156226800POSSIBLE MATCH
SOCKET,SOCKET WRENCH
Possible match (shared part number)Lisle Corp
7240-01-625-943826800POSSIBLE MATCH
SMOKING RECEPTACLE
Possible match (shared part number)Justrite Manufacturing Company, Llc (del)
6660-01-630-883626800POSSIBLE MATCH
METEOROLOGICAL TRANSLATOR
Possible match (shared part number)R. M. Young Company Llc
B & H International Llc Dba B & H International (USA)
Reference documents
Reference
Meaning
LGD68
3/9Design control — primary reference
W.a. Hammond Drierite Co, Limited
26668-007
5/9Secondary reference
W.a. Hammond Drierite Co, Limited
Related Parts
4820-00-529-4689POSSIBLE MATCH
VALVE,GLOBE
1043
5325-01-144-1111POSSIBLE MATCH
RING,RETAINING
268-00
2825-01-220-6388POSSIBLE MATCH
CYLINDER,AIR,STEAM
268001
5360-01-410-7896POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
1095-01-528-6939POSSIBLE MATCH
HOLSTER,PISTOL
26800
5120-01-534-1562POSSIBLE MATCH
SOCKET,SOCKET WRENCH
26800
7240-01-625-9438POSSIBLE MATCH
SMOKING RECEPTACLE
26800
6660-01-630-8836POSSIBLE MATCH
METEOROLOGICAL TRANSLATOR
26800
Frequently Asked Questions
What is NSN 4440-00-290-8949?
NSN 4440-00-290-8949 is a Drying Unit Desiccant, manufactured by W.a. Hammond Drierite Co, Limited, classified under FSC 4440, Driers, Dehydrators, and Anhydrators. Status: active.
What part numbers are listed for NSN 4440-00-290-8949?
NSN 4440-00-290-8949 has 2 manufacturer part numbers on file: 26800 (W.a. Hammond Drierite Co, Limited), 26668-007 (B & H International Llc Dba B & H International).
What NSN replaces 4440-00-290-8949?
8 possible matches (shared part number, not a government interchangeability claim): 4820-00-529-4689, 5325-01-144-1111, 2825-01-220-6388. Verify interchangeability with system specifications before substitution.
What are the specifications of 26800?
Key specifications for 26800: General Characteristics Item Description: ACRYLIC PLASTIC,2.625 IN.DIA,11.375 IN.LENGTH IN. 1 specification is documented in the U.S. Government catalog.
Is NSN 4440-00-290-8949 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.