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712121 — MAINTENANCE KIT,ELECTRICAL CONNE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

712121: MAINTENANCE KIT,ELECTRICAL CONNE.

MAINTENANCE KIT,ELECTRICAL CONNE. Key specifications include usage_design: GEN PURPOSE AIR/NITROGEN HEAT GUN TOOL KIT, document_type: PARTS LIST, document_source: 06090, functional_description: ELEC CONN,CONTACTS AND CABLE ACESS,HAZ LOC, type/model_designation: HT-900/-920, document_identification: HT-900/-920. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-271-1542, 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
712121
NSN: 3130-00-271-1542
NIINs: 002711542, 010371411
FSC: 3130 — Bearings, Mounted
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
usage_designGEN PURPOSE AIR/NITROGEN HEAT GUN TOOL KIT
document_typePARTS LIST
document_source06090
component_quantity9
functional_descriptionELEC CONN,CONTACTS AND CABLE ACESS,HAZ LOC
type/model_designationHT-900/-920
document_identificationHT-900/-920
component_document_originINDUSTRIAL
specification/standard_data81349-MIL-T-83507 BASIC GOVERNMENT SPECIFICATION
departure_from_cited_documentAS MODIFIED 230.0 VAC; OLIVE DRAB CARRYING CASE,EUROPE VAC
component_document_page_number4
general_characteristics_item_descriptionSTEEL AISI 4140,0.438 IN. LG,3.047 IN. ID,2.890 IN. FLANGE IDONE END,3.2399 IN. BODY OD IN
NSN3130-00-271-1542
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 712121 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL AISI 4140,0.438 IN. LG,3.047 IN. ID,2.890 IN. FLANGE IDONE END,3.2399 IN. BODY OD IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL AISI 4140,0.438 IN. LG,3.047 IN. ID,2.890 IN. FLANGE IDONE END,3.2399 IN. BODY OD IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 712121?
712121 is a MAINTENANCE KIT,ELECTRICAL CONNE.
What is the NSN for 712121?
712121 is cataloged in the U.S. Government catalog under NSN 3130-00-271-1542. 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.