PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P49987-7Screw,machine

Lexair Inc · NSN 5305-01-290-4221 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-290-4221 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-290-4221. Primary manufacturer part number: P49987-7.
Features
  • Screw,machine — FSC 5305
  • 5 verified cross-references
  • Primary manufacturer: Lexair Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-290-4221, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lexair Inc. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameScrew,machine
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersWellman Group (CAGE K7018); Lexair Inc (CAGE 56607)
Technical Specifications
ParameterValue
NSN5305-01-290-4221
Primary Part NumberP49987-7
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLexair Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
7520-00-240-24117000052011 INTERCHANGEABLE
Dispenser,pressure Sensitive Adh
3m Company
3120-00-287-9076SCB18829 INTERCHANGEABLE
Bearing,sleeve
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5925-00-657-0294 INTERCHANGEABLE
Thermal Protector
9540-01-071-4713 INTERCHANGEABLE
Angle,structural
8145-01-274-3467600E001 INTERCHANGEABLE
Shipping and Storage Container
Erie Engineered Products, Inc. Dba Erie Engineered Products Inc
5360-01-280-7474 INTERCHANGEABLE
Spring,helical,compression
Cross-Reference Index
Part NumberManufacturer
156 ITEM 91 Wellman Group (GBR)
X5008/12/156/91 Wellman Group (GBR)
P49987-7 PRIMARY Lexair Inc (USA)
X5008/12/156 ITEM 91 Wellman Group (GBR)
156/91 Wellman Group (GBR)
Related Parts
7520-00-240-2411INTERCHANGEABLE
DISPENSER,PRESSURE SENSITIVE ADH
7000052011
3120-00-287-9076INTERCHANGEABLE
BEARING,SLEEVE
SCB18829
5925-00-657-0294INTERCHANGEABLE
THERMAL PROTECTOR
9540-01-071-4713INTERCHANGEABLE
ANGLE,STRUCTURAL
8145-01-274-3467INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER
600E001
5360-01-280-7474INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION

Frequently Asked Questions

What is NSN 5305-01-290-4221?

NSN 5305-01-290-4221 is a Screw,machine, manufactured by Lexair Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-290-4221?

NSN 5305-01-290-4221 has 5 cross-referenced part numbers: 156 ITEM 91 (Wellman Group), X5008/12/156/91 (Wellman Group), P49987-7 (Lexair Inc), X5008/12/156 ITEM 91 (Wellman Group), 156/91 (Wellman Group).

What NSN replaces 5305-01-290-4221?

There are 6 known substitutes for 5305-01-290-4221: 7520-00-240-2411, 3120-00-287-9076, 5925-00-657-0294 and 3 more. Verify interchangeability with system specifications before substitution.

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