NSN 5305-01-290-4274 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-290-4274. Manufacturer of record part number: P49902-28.
The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-290-4274, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Lexair Inc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Screw,cap,hexagon Head
FSC / FSG
5305 — Screws (FSG 53)
Manufacturers
Lexair Inc (CAGE 56607); Wellman Group (CAGE K7018)
Technical Specifications
Parameter
Value
NSN
5305-01-290-4274
Primary Part Number
P49902-28
Item Name
Screw,cap,hexagon Head
FSC / FSG
5305 / 53 — Screws
Manufacturer
Lexair Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-293-8595NB21566525POSSIBLE MATCH
GUIDE,VALVE STEM
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
4320-01-359-6076POSSIBLE MATCH
PUMP,CENTRIFUGAL
Possible match (shared part number)
5920-01-433-4926POSSIBLE MATCH
FUSEHOLDER,BLOCK
Possible match (shared part number)
6105-01-441-3863POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)
6515-01-503-945715665POSSIBLE MATCH
CABLE,STERNAL SAW
Possible match (shared part number)Terumo Medical Corp
5340-01-590-929415665POSSIBLE MATCH
CAP,PROTECTIVE,DUST AND MOISTURE
Possible match (shared part number)Aqualung Usa, Inc
5330-01-663-654115665POSSIBLE MATCH
GASKET
Possible match (shared part number)Hdt Expeditionary Systems Inc
NSN 5305-01-290-4274 is a Screw,cap,hexagon Head, manufactured by Lexair Inc, classified under FSC 5305, Screws. Status: active.
What part numbers are listed for NSN 5305-01-290-4274?
NSN 5305-01-290-4274 has 5 manufacturer part numbers on file: P49902-28 (Lexair Inc), 156 ITEM 65 (Wellman Group), X5008/12/156 ITEM 65 (Wellman Group), X5008/12/156/65 (Wellman Group), 156/65 (Wellman Group).
What NSN replaces 5305-01-290-4274?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-293-8595, 4320-01-359-6076, 5920-01-433-4926. Verify interchangeability with system specifications before substitution.
Is NSN 5305-01-290-4274 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.