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K1128-9 — HANDLE,BOW

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

K1128-9: HANDLE,BOW.

The HANDLE,BOW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_length: 4.465 INCHES MAXIMUM IN, handle_clearance: 1.460 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, nominal_thread_size: 0.312 INCHES IN, thread_series_designator: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-339-7975, 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
K1128-9
NSN: 5340-01-339-7975
FSC: 5340 — Hardware, Commercial
CAGE: 04729 — UNICORP. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_length4.465 INCHES MAXIMUM IN
handle_clearance1.460 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.312 INCHES IN
thread_series_designatorUNF
material_document_and_classificationQQ-S-763,CLASS 300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
center_to_center_distance_between_mounting_facilities_parallel_to_length3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN
NSN5340-01-339-7975
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: K1128-9 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
HANDLE CLEARANCE: 1.460 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH4.465 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.312 INCHES IN
HANDLE CLEARANCE1.460 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNF
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
1A20286H01Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
94-415-1092-01-22-00Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is K1128-9?
K1128-9 is a HANDLE,BOW.
What parts can replace K1128-9?
There are 2 known substitutes for K1128-9: 1A20286H01, 94-415-1092-01-22-00. Substitute compatibility should be verified for your specific system.
What is the NSN for K1128-9?
K1128-9 is cataloged in the U.S. Government catalog under NSN 5340-01-339-7975. This indicates validated use in U.S. government and defense supply chains.
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