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1921C — TERMINAL,STUD

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1921C: TERMINAL,STUD.

The TERMINAL,STUD is a the manufacturer industrial component. Key specifications include length: 0.750 INCHES NOMINAL IN, material: COPPER ALLOY MOUNTING FACILITY, swage_depth: 0.141 INCHES IN, overall_height: 0.891 INCHES IN, terminal_length: 0.750 INCHES IN, largest_diameter: 0.250 INCHES SINGLE END IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-482-1707, 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
1921C
NSN: 5340-00-482-1707
NIINs: 004821707, 005838987, 006709872
FSC: 5340 — Hardware, Commercial
CAGE: 91833 — KEYSTONE ELECTRONICS CORP (USA)
SPECIFICATIONS
length0.750 INCHES NOMINAL IN
materialCOPPER ALLOY MOUNTING FACILITY
swage_depth0.141 INCHES IN
overall_height0.891 INCHES IN
terminal_length0.750 INCHES IN
largest_diameter0.250 INCHES SINGLE END IN
overall_diameter0.250 INCHES IN
style_designatorINTERNALLY THREADED FULL LENGTH
basic_shape_styleTUBULAR, ROUND
surface_treatmentCADMIUM CONDUCTOR ACCOMMODATION SINGLE LAYER
thru-hole_diameter0.138 INCHES IN
width_across_flats0.250 INCHES NOMINAL IN
NSN5340-00-482-1707
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1921C 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
•
WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
LENGTH: 0.750 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-F-14072, FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
LENGTH0.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR MIL-F-14072, FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPEHEXAGON
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
1120H-SS-.750-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8218SS0440Reference document
Same NSN cross-reference
Reference document — Secondary reference
ES5222-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
8218SS0440-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
2134842G174Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
990031-42Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 1921C?
1921C is a TERMINAL,STUD.
What parts can replace 1921C?
There are 8 known substitutes for 1921C: 1120H-SS-.750-12, 8218SS0440, ES5222-5 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1921C?
1921C is cataloged in the U.S. Government catalog under NSN 5340-00-482-1707. This indicates validated use in U.S. government and defense supply chains.
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