PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4138Screw,instrument

Wakmann Watch Company Inc · NSN 5305-00-349-8179 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-349-8179 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-349-8179. Primary manufacturer part number: 4138.
Features
  • Screw,instrument — FSC 5305
  • Head Height: 0.0354 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.050 INCHES IN
  • Internal Drive Style: SLOT
  • Head Style: FLAT CHAMFER
  • Head Diameter: 0.1377 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Wakmann Watch Company Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,instrument, cataloged under National Stock Number 5305-00-349-8179, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wakmann Watch Company Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-349-8179
Primary Part Number4138
Item NameScrew,instrument
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWakmann Watch Company Inc
StatusACTIVE
Head Height0.0354 INCHES NOMINAL IN
Nominal Thread Diameter0.050 INCHES IN
Internal Drive StyleSLOT
Head StyleFLAT CHAMFER
Head Diameter0.1377 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4820-00-506-1260 INTERCHANGEABLE
Valve,linear,directional Control
5330-00-741-18181121941 INTERCHANGEABLE
Gasket
Chrysler Realty Company Llc Dba Daimler Chrysler
4820-01-121-7747010-302-0074 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5120-01-335-9048 INTERCHANGEABLE
Socket,socket Wrench
6515-01-362-83394138 INTERCHANGEABLE
Blade,arthroscopic,surgical
Dyonics Inc Sub of William H Rorer Inc
4730-01-394-38358611371-65 INTERCHANGEABLE
Coupling,clamp,pipe
Warner Robins Air Logistics Center
5120-01-399-99513374A32 INTERCHANGEABLE
Punch,center,solid
Mcmaster-Carr Supply Co
5315-01-440-46524138 INTERCHANGEABLE
Tack
Amtak Fasteners
4030-01-445-3911H278-10 INTERCHANGEABLE
Fitting,deck Track
Peck & Hale, Llc
5340-01-595-53744138 INTERCHANGEABLE
Strap Assembly,hand Carrying
Avalon Industries, Inc
Cross-Reference Index
Part NumberManufacturer
4138 PRIMARY Wakmann Watch Company Inc (USA)
Related Parts
4820-00-506-1260INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
5330-00-741-1818INTERCHANGEABLE
GASKET
1121941
4820-01-121-7747INTERCHANGEABLE
SEAT,VALVE
010-302-0074
5120-01-335-9048INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6515-01-362-8339INTERCHANGEABLE
BLADE,ARTHROSCOPIC,SURGICAL
4138
4730-01-394-3835INTERCHANGEABLE
COUPLING,CLAMP,PIPE
8611371-65
5120-01-399-9951INTERCHANGEABLE
PUNCH,CENTER,SOLID
3374A32
5315-01-440-4652INTERCHANGEABLE
TACK
4138
4030-01-445-3911INTERCHANGEABLE
FITTING,DECK TRACK
H278-10
5340-01-595-5374INTERCHANGEABLE
STRAP ASSEMBLY,HAND CARRYING
4138
5930-01-718-4043INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
4138

Frequently Asked Questions

What is NSN 5305-00-349-8179?

NSN 5305-00-349-8179 is a Screw,instrument, manufactured by Wakmann Watch Company Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-349-8179?

NSN 5305-00-349-8179 has 1 cross-referenced part number: 4138 (Wakmann Watch Company Inc).

What NSN replaces 5305-00-349-8179?

There are 11 known substitutes for 5305-00-349-8179: 4820-00-506-1260, 5330-00-741-1818, 4820-01-121-7747 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4138?

Key specifications for 4138: Head Height: 0.0354 INCHES NOMINAL IN; Nominal Thread Diameter: 0.050 INCHES IN; Internal Drive Style: SLOT; Head Style: FLAT CHAMFER. 5 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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