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553 — RESISTOR,VARIABLE,WIRE WOUND,NON

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

553: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include width: 0.500 INCHES NOMINAL IN, height: 0.078 INCHES NOMINAL IN, diameter: 0.243 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN, material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL, tip_type: FLAT TIP, core_type: TUBE. This part is cataloged in the U.S.

Government catalog under NSN 6240-00-013-1282, 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→ 553
NSN: 6240-00-013-1282
NIINs: 000131282, 000630233, 001042309, 001744521, 001800815, 002172102, 004013525, 006959625, 008370888, 008422750, 009638074, 010222140, 010224064, 011639803, 011792517, 012393254, 012442508, 012490596, 013029388, 013428602, 014165804, 016131628
FSC: 6240 — Electric Lamps
CAGE: 77977 — SIGNAL-STAT CORP (USA)
SPECIFICATIONS
width0.500 INCHES NOMINAL IN
height0.078 INCHES NOMINAL IN
diameter0.243 INCHES MINIMUM AND 0.247 INCHES MAXIMUM IN
materialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OVERALL
tip_typeFLAT TIP
core_typeTUBE
grip_typeFINGER
body_styleCYLINDRICAL BUSHING MOUNTED
body_width0.531 INCHES NOMINAL IN
core_width27.125 INCHES NOMINAL IN
head_styleFLAT
body_height0.531 INCHES NOMINAL IN
NSN6240-00-013-1282
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,WIRE WOUND,NON TITLE COMPONENT PN 553 MFR RESISTOR,VARIABLE,WIRE
SUBSTITUTES & CROSS-REFERENCES 9
12910Reference document
Same NSN cross-reference
Reference document — Secondary reference
8A91001Reference document
Same NSN cross-reference
Reference document — Secondary reference
30023Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
G131282Reference document
Same NSN cross-reference
Reference document — Secondary reference
19785-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
131282Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 553?
553 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 553?
There are 9 known substitutes for 553: 12910, 8A91001, 30023 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 553?
553 is cataloged in the U.S. Government catalog under NSN 6240-00-013-1282. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.