PartsTable
Technical Data Sheet
TR4 ✓ Verified by PartsTable
Chief · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

4U trap shelf holds non-rack mount equipment down to prevent movement during transportation and use. Key specifications include width: 0.156 INCHES NOMINAL TIP IN, length: 4.000 INCHES NOMINAL BLADE IN, material: STEEL COMP E52100 INNER LAYER, thickness: 0.025 INCHES NOMINAL TIP IN, body_width: 0.625 INCHES NOMINAL IN, body_height: 0.687 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-230-3670, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL TR4
NSN: 5120-00-230-3670
FSC: 5120
CAGE: 78996 — UPSON TOOLS INC (USA)
SPECIFICATIONS
width0.156 INCHES NOMINAL TIP IN
length4.000 INCHES NOMINAL BLADE IN
materialSTEEL COMP E52100 INNER LAYER
thickness0.025 INCHES NOMINAL TIP IN
body_width0.625 INCHES NOMINAL IN
body_height0.687 INCHES NOMINAL IN
body_length0.812 INCHES NOMINAL IN
shank_shapeHEXAGON
shank_styleINTERNALLY THREADED W/BEAD AND WRENCH FLATS AND INSPECTION HOLE
thread_class3B
bore_diameter0.2495 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
inclosure_typeOPEN
NSN5120-00-230-3670
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Chief TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN TR4 MFR Chief TRANSFORMER,AUDIO FREQ
KEY FEATURES
MATERIAL: STEEL BLADE
LENGTH: 4.000 INCHES NOMINAL BLADE IN
FEATURES PROVIDED: FLARED TIP SIDE AND EXTERNAL SCREW GRIPPER
SPECIFICATION/STANDARD DATA: 0547-ASME B107.600 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1 CLASS AND B STYLE
SHANK SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BLADE
OVERALL LENGTH6.500 INCHES MINIMUM AND 8.000 INCHES MAXIMUM IN
LENGTH4.000 INCHES NOMINAL BLADE IN
MATERIALPLASTIC HANDLE
FEATURES PROVIDEDFLARED TIP SIDE AND EXTERNAL SCREW GRIPPER
SPECIFICATION/STANDARD DATA0547-ASME B107.600 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 CLASS AND B STYLE
SHANK SHAPEHEXAGON
THICKNESS0.025 INCHES NOMINAL TIP IN
SURFACE TREATMENTCHROMIUM BLADE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
4154Interchangeable
interchangeable cross-reference
interchangeable
B107.600Interchangeable
interchangeable cross-reference
interchangeable
40081533Interchangeable
interchangeable cross-reference
interchangeable
TH8Interchangeable
interchangeable cross-reference
interchangeable
1551AS294Interchangeable
interchangeable cross-reference
interchangeable
661 3-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TR4?
TR4 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Chief. It is classified as a MRO (MRO_GENERAL).
What parts can replace TR4?
There are 24 known substitutes for TR4: 4154, B107.600, 40081533 and 21 more. Substitute compatibility should be verified for your specific system.
Is TR4 still available?
TR4 is currently cancelled.
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