PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4509-2Contact Positioner,terminal Crim

Astro Tool Corp. · NSN 5120-00-127-3268 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-127-3268 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-127-3268. Primary manufacturer part number: 4509-2.
Features
  • Contact Positioner,terminal Crim — FSC 5120
  • Contact Size for Which Designed: BENDIX NO. 10-40552, 10-40553, 10-40554, 10-40555, 10-40556, 10-40558, 10-40559, 10-40560 AND 10-40561 CONTACTS
  • 4 verified cross-references
  • Primary manufacturer: Astro Tool Corp.
Applications
  • Field maintenance and repair
  • Facility maintenance operations
  • General-purpose hand tools
General Description

The Contact Positioner,terminal Crim, cataloged under National Stock Number 5120-00-127-3268, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Astro Tool Corp.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-127-3268
Primary Part Number4509-2
Item NameContact Positioner,terminal Crim
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerAstro Tool Corp.
StatusACTIVE
Contact Size for Which DesignedBENDIX NO. 10-40552, 10-40553, 10-40554, 10-40555, 10-40556, 10-40558, 10-40559, 10-40560 AND 10-40561 CONTACTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5120-00-127-328111-7771-103 INTERCHANGEABLE
Contact Positioner,terminal Crim
Amphenol Corp Div Amphenol Aerospace Operations
3455-00-231-351617489 INTERCHANGEABLE
Cutter,milling,half Side
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5110-00-268-42245110-00-268-4224 INTERCHANGEABLE
Stripper,wire,hand
General Services Administration Federal Supply Service
6240-00-269-096048D1 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5905-00-496-685217-13658-1 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Textron Systems Corporation Dba Textron Systems Corp
5998-00-816-55394509-2 INTERCHANGEABLE
Circuit Card Assembly
General Microwave Corporation Div Kratos Microwave Electronics
4320-01-358-90311001AA-01-002 INTERCHANGEABLE
Crankshaft,pump
Cavalier Inc
5120-01-361-9698TH29 INTERCHANGEABLE
Contact Positioner,terminal Crim
Daniels Manufacturing Corporation
5935-01-571-321045-092 INTERCHANGEABLE
Dummy Connector,plug
Hii Unmanned Systems, Inc
5110-01-661-675445-092 INTERCHANGEABLE
Stripper,wire,hand
Ideal Industries, Inc.
Cross-Reference Index
Part NumberManufacturer
4509-2 PRIMARY Astro Tool Corp. (USA)
TH29 Oceta (FRA)
11-7771-102 PRIMARY Amphenol Corp Div Amphenol Aerospace Operations (USA)
4509-2 Te Connectivity Corporation (USA)
Related Parts
5120-00-127-3281INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
11-7771-103
3455-00-231-3516INTERCHANGEABLE
CUTTER,MILLING,HALF SIDE
17489
5110-00-268-4224INTERCHANGEABLE
STRIPPER,WIRE,HAND
5110-00-268-4224
6240-00-269-0960INTERCHANGEABLE
LAMP,INCANDESCENT
48D1
5905-00-496-6852INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
17-13658-1
5998-00-816-5539INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4509-2
4320-01-358-9031INTERCHANGEABLE
CRANKSHAFT,PUMP
1001AA-01-002
5120-01-361-9698INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
TH29
5935-01-571-3210INTERCHANGEABLE
DUMMY CONNECTOR,PLUG
45-092
5110-01-661-6754INTERCHANGEABLE
STRIPPER,WIRE,HAND
45-092

Frequently Asked Questions

What is NSN 5120-00-127-3268?

NSN 5120-00-127-3268 is a Contact Positioner,terminal Crim, manufactured by Astro Tool Corp., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-127-3268?

NSN 5120-00-127-3268 has 4 cross-referenced part numbers: 4509-2 (Astro Tool Corp.), TH29 (Oceta), 11-7771-102 (Amphenol Corp Div Amphenol Aerospace Operations), 4509-2 (Te Connectivity Corporation).

What NSN replaces 5120-00-127-3268?

There are 10 known substitutes for 5120-00-127-3268: 5120-00-127-3281, 3455-00-231-3516, 5110-00-268-4224 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4509-2?

Key specifications for 4509-2: Special Features: TURRET HEAD TYPE; Contact Size for Which Designed: BENDIX NO. 10-40552, 10-40553, 10-40554, 10-40555, 10-40556, 10-40558, 10-40559, 10-40560 AND 10-40561 CONTACTS. 2 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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