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Technical Data Sheet
PartsTable / COMPONENT / 12553
12553 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include material: PLASTIC POLYURETHANE BODY, overall_width: 2.28 INCHES NOMINAL IN, body_thickness: 0.38 INCHES NOMINAL IN, special_features: COLOR,MATERIAL OPEN CELL POLYURETHANE FOAM, style_designator: RECTANGULAR (INCL SQUARE), body_overall_length: 2.28 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-102-9621, 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
12553
NSN: 5325-00-102-9621
FSC: 5325
CAGE: 59501 — UNISON INDUSTRIES LLC (USA)
SPECIFICATIONS
materialPLASTIC POLYURETHANE BODY
overall_width2.28 INCHES NOMINAL IN
body_thickness0.38 INCHES NOMINAL IN
special_featuresCOLOR,MATERIAL OPEN CELL POLYURETHANE FOAM
style_designatorRECTANGULAR (INCL SQUARE)
body_overall_length2.28 INCHES NOMINAL IN
end_item_identificationNSN 5895-016787671
NSN5325-00-102-9621
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12553 · OEM ⚠ 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
•
MATERIAL: COPPER ALLOY
•
USAGE DESIGN: EXTERNAL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
INSIDE DIAMETER: 0.164 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
RING STYLE: EXTERNAL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MAJOR THICKNESS: 0.015 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
USAGE DESIGNEXTERNAL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
INSIDE DIAMETER0.164 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
RING STYLEEXTERNAL
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.015 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
AAMM9105WI5SMBRDBA1752Interchangeable
interchangeable cross-reference
interchangeable
369A5432Interchangeable
interchangeable cross-reference
interchangeable
5HADZ105-53Interchangeable
interchangeable cross-reference
interchangeable
5100-18Interchangeable
interchangeable cross-reference
interchangeable
2389210A1Interchangeable
interchangeable cross-reference
interchangeable
12553Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12553?
12553 is a HEATING ELEMENT,ELECTRICAL,NONIM.
What parts can replace 12553?
There are 20 known substitutes for 12553: AAMM9105WI5SMBRDBA1752, 369A5432, 5HADZ105-53 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12553?
12553 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-102-9621. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026