B-28 — THERMAL RELEASE,CIRCUIT BREAKER

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

B-28: THERMAL RELEASE,CIRCUIT BREAKER.

THERMAL RELEASE,CIRCUIT BREAKER. Key specifications include angle: 42.0 DEGREES, width: 24.000 INCHES NOMINAL IN, length: 36.000 INCHES NOMINAL IN, material: PLASTIC, bore_type: PLAIN STRAIGHT, thickness: 0.030 INCHES NOMINAL TIP IN. This part is cataloged in the U.S.

Government catalog under NSN 5975-00-051-7337, 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→ B-28

NSN: 5975-00-051-7337
NIINs: 000517337, 001316206, 001559164, 001563393, 003832322, 005462751, 007878906, 009375487, 010184241, 010616622, 012218817, 013229350, 013948748, 015337060
FSC: 5975 — Electrical Hardware and Supplies
CAGE: 20125 — INDUSTRIAL ALLOY FABRICATORS INC (USA)

SPECIFICATIONS

angle	42.0 DEGREES
width	24.000 INCHES NOMINAL IN
length	36.000 INCHES NOMINAL IN
material	PLASTIC
bore_type	PLAIN STRAIGHT
thickness	0.030 INCHES NOMINAL TIP IN
bore_shape	STRAIGHT
bore_length	1.125 INCHES NOMINAL IN
flange_width	0.0620 INCHES NOMINAL IN
bore_diameter	0.375 INCHES NOMINAL IN
nominal_width	0.656 INCHES IN
overall_width	2.891 INCHES NOMINAL IN
NSN	5975-00-051-7337

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: BLANK, PLAIN DESIGN

•

MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN

•

COLOR: GRAY, HAMMERTONE

•

SURFACE TREATMENT: ENAMEL

•

STORAGE FACILITY: PREFERRED DOCK LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE AND ALTERNATE GROUND LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	6.968 INCHES NOMINAL IN
STYLE DESIGNATOR	BLANK, PLAIN DESIGN
OVERALL WIDTH	19.000 INCHES NOMINAL IN
MATERIAL THICKNESS	0.125 INCHES NOMINAL IN
COLOR	GRAY, HAMMERTONE
SPECIAL FEATURES	TEMPER H14
SURFACE TREATMENT	ENAMEL
STORAGE FACILITY	PREFERRED DOCK LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE AND ALTERNATE GROUND LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE
END ITEM IDENTIFICATION	404L TRAFFIC CONTROL AND LAND SYSTEM
MATERIAL	ALUMINUM ALLOY 3003

SUBSTITUTES & CROSS-REFERENCES 8

PA1104HGReference document

Same NSN cross-reference

Reference document — Secondary reference

1001-042Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

9002-564Reference document

Same NSN cross-reference

Reference document — Secondary reference

T191633218TReference document

Same NSN cross-reference

Reference document — Design control — primary reference

9A2400HGReference document

Same NSN cross-reference

Reference document — Secondary reference

QMPA196XReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is B-28?

B-28 is a THERMAL RELEASE,CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).

What parts can replace B-28?

There are 8 known substitutes for B-28: PA1104HG, 1001-042, 9002-564 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for B-28?

B-28 is cataloged in the U.S. Government catalog under NSN 5975-00-051-7337. This indicates validated use in U.S. government and defense supply chains.

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