PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20000737Screw,hairspring St

Waltham Aircraft Clock Corp · NSN 5305-00-536-1567 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-536-1567 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-536-1567. Primary manufacturer part number: 20000737.
Features
  • Screw,hairspring St — FSC 5305
  • 4 verified cross-references
  • Primary manufacturer: Waltham Aircraft Clock Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,hairspring St, cataloged under National Stock Number 5305-00-536-1567, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Waltham Aircraft Clock Corp. This item has 4 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 NameScrew,hairspring St
FSC / FSG5305 — No Item Name Available (FSG 53)
ManufacturersWaltham Aircraft Clock Corp (CAGE 0Y4A4); Waltham Clock Co Inc (CAGE 79300)
Technical Specifications
ParameterValue
NSN5305-00-536-1567
Primary Part Number20000737
Item NameScrew,hairspring St
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWaltham Aircraft Clock Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-007-9220 INTERCHANGEABLE
Switch,code Indicating Wheel
4810-00-093-5516737 INTERCHANGEABLE
Actuator,electromechanical,rotar
Sealco Air Controls Inc
3439-00-105-91282Z174 INTERCHANGEABLE
Solder,lead Alloy
W.w. Grainger, Inc. Div Government Sales Division
3439-00-105-9133 INTERCHANGEABLE
Solder,lead Alloy
4820-00-275-2427 INTERCHANGEABLE
Valve,gate
5315-00-275-4784 INTERCHANGEABLE
Pin,straight,headless
6210-00-295-1609737 INTERCHANGEABLE
Lens,light
Westinghouse Electric Corp
5110-00-357-6788 INTERCHANGEABLE
Punch and Die Set,knockout
5975-00-372-3734TK128A INTERCHANGEABLE
Coupling,electrical Conduit
Abb Installation Products Inc
6240-00-470-76258632 INTERCHANGEABLE
Lamp,incandescent
Wiko Ltd
Cross-Reference Index
Part NumberManufacturer
20000737 PRIMARY Waltham Aircraft Clock Corp (USA)
737 PRIMARY Waltham Aircraft Clock Corp (USA)
20000737 Waltham Clock Co Inc (USA)
737 Waltham Clock Co Inc (USA)
Related Parts
5930-00-007-9220INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
4810-00-093-5516INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
737
3439-00-105-9128INTERCHANGEABLE
SOLDER,LEAD ALLOY
2Z174
3439-00-105-9133INTERCHANGEABLE
SOLDER,LEAD ALLOY
4820-00-275-2427INTERCHANGEABLE
VALVE,GATE
5315-00-275-4784INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
6210-00-295-1609INTERCHANGEABLE
LENS,LIGHT
737
5110-00-357-6788INTERCHANGEABLE
PUNCH AND DIE SET,KNOCKOUT
5975-00-372-3734INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
TK128A
6240-00-470-7625INTERCHANGEABLE
LAMP,INCANDESCENT
8632
3441-00-531-1469INTERCHANGEABLE
PUNCH,FLARE
101553-009
7510-00-787-2430INTERCHANGEABLE
PENCIL

Frequently Asked Questions

What is NSN 5305-00-536-1567?

NSN 5305-00-536-1567 is a Screw,hairspring St, manufactured by Waltham Aircraft Clock Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-536-1567?

NSN 5305-00-536-1567 has 4 cross-referenced part numbers: 20000737 (Waltham Aircraft Clock Corp), 737 (Waltham Aircraft Clock Corp), 20000737 (Waltham Clock Co Inc), 737 (Waltham Clock Co Inc).

What NSN replaces 5305-00-536-1567?

There are 12 known substitutes for 5305-00-536-1567: 5930-00-007-9220, 4810-00-093-5516, 3439-00-105-9128 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com