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1900-1-12 — HANDLE,BOW

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1900-1-12: HANDLE,BOW.

The HANDLE,BOW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 3A A, overall_length: 4.355 INCHES MINIMUM AND 4.395 INCHES MAXIMUM IN, handle_clearance: 1.477 INCHES MAXIMUM IN, special_features: FURNISHED W/2 HEX NUTS AND 2 LOCKWASHERS,COLOR BLACK, surface_treatment: OXIDE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-097-3877, 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
1900-1-12
NSN: 5340-01-097-3877
FSC: 5340 — Hardware, Commercial
CAGE: 71279 — INTERCONNECTION PRODUCTS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class3A A
overall_length4.355 INCHES MINIMUM AND 4.395 INCHES MAXIMUM IN
handle_clearance1.477 INCHES MAXIMUM IN
special_featuresFURNISHED W/2 HEX NUTS AND 2 LOCKWASHERS,COLOR BLACK
surface_treatmentOXIDE OVERALL
nominal_thread_size0.375 INCHES IN
special_test_featuresP/N 3724-4159-B-G25 IS APPLICABLE TO ATCALS EQUIPMENT ONLY
mounting_facility_length0.625 INCHES NOMINAL IN
thread_series_designatorUNF
mounting_facility_quantity2
center_to_center_distance_between_mounting_facilities_parallel_to_length3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN
NSN5340-01-097-3877
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1900-1-12 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
•
MOUNTING FACILITY QUANTITY: 2
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN
•
SPECIAL TEST FEATURES: P/N 3724-4159-B-G25 IS APPLICABLE TO ATCALS EQUIPMENT ONLY
•
MOUNTING FACILITY LENGTH: 0.625 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
HANDLE CLEARANCE: 1.477 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY2
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM IN
SPECIAL TEST FEATURESP/N 3724-4159-B-G25 IS APPLICABLE TO ATCALS EQUIPMENT ONLY
MOUNTING FACILITY LENGTH0.625 INCHES NOMINAL IN
OVERALL LENGTH4.355 INCHES MINIMUM AND 4.395 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.375 INCHES IN
HANDLE CLEARANCE1.477 INCHES MAXIMUM IN
SPECIAL FEATURESFURNISHED W/2 HEX NUTS AND 2 LOCKWASHERS,COLOR BLACK
SURFACE TREATMENTOXIDE OVERALL
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 1
390116-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1900-1-12?
1900-1-12 is a HANDLE,BOW.
What parts can replace 1900-1-12?
There is 1 known substitute for 1900-1-12: 390116-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1900-1-12?
1900-1-12 is cataloged in the U.S. Government catalog under NSN 5340-01-097-3877. This indicates validated use in U.S. government and defense supply chains.
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