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55156 — SWITCH,THERMOSTATIC

✓ Government record, cited
Jumbo · BOLT SCREW
PRODUCT OVERVIEW

55156: SWITCH,THERMOSTATIC.

The SWITCH,THERMOSTATIC is a Jumbo industrial component. Key specifications include material: STEEL COMP 1212 OR STEEL COMP 1120 OR STEEL COMP 1015 OVERALL, head_style: HEADLESS (SETSCREW), point_style: FLAT, point_length: 0.250 INCHES NOMINAL IN, terminal_type: CONNECTOR, RECEPTACLE, thread_length: 0.500 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-276-8239, 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
55156
NSN: 5305-00-276-8239
NIINs: 002768239, 006583338, 014704116, 016177282
FSC: 5305 — Screws
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OR STEEL COMP 1120 OR STEEL COMP 1015 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleFLAT
point_length0.250 INCHES NOMINAL IN
terminal_typeCONNECTOR, RECEPTACLE
thread_length0.500 INCHES MINIMUM IN
fastener_length0.750 INCHES NOMINAL IN
mounting_methodTERMINAL
special_featuresSIZE ESTIMATE: 24" X 60" X 39" // SET OF 12
thread_directionRIGHT-HAND
point_chamfer_angle30.0 DEGREES NOMINAL
internal_drive_styleCROSS RECESS TYPE 1
NSN5305-00-276-8239
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 55156 · Jumbo ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
POINT LENGTH: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
•
POINT CHAMFER ANGLE: 30.0 DEGREES NOMINAL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEADLESS (SETSCREW)
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
POINT LENGTH0.250 INCHES NOMINAL IN
FASTENER LENGTH0.750 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
POINT CHAMFER ANGLE30.0 DEGREES NOMINAL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEADLESS (SETSCREW)
THREAD DIRECTIONRIGHT-HAND
POINT STYLEFLAT
NONSTANDARD THREAD PITCH DIAMETER+0.3300 TO 0.3345 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 2
1739AReference document
Same NSN cross-reference
Reference document — Secondary reference
1262RReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 55156?
55156 is a SWITCH,THERMOSTATIC manufactured by Jumbo.
What parts can replace 55156?
There are 2 known substitutes for 55156: 1739A, 1262R. Substitute compatibility should be verified for your specific system.
What is the NSN for 55156?
55156 is cataloged in the U.S. Government catalog under NSN 5305-00-276-8239. This indicates validated use in U.S. government and defense supply chains.
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