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20X12DA-GE — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20X12DA-GE: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: STEEL OR RUBBER, thread_size: 0.250-20, shank_length: 0.570 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, overall_height: 1.060 INCHES NOMINAL IN, style_designator: FLAT RECESSED TOP THREADED STUD, outside/top_flange_diameter: 0.750 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-249-8877, 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
20X12DA-GE
NSN: 5340-01-249-8877
FSC: 5340 — Hardware, Commercial
CAGE: 2X949 — GMT INTERNATIONAL CORP (USA)
SPECIFICATIONS
materialSTEEL OR RUBBER
thread_size0.250-20
shank_length0.570 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
overall_height1.060 INCHES NOMINAL IN
special_featuresRUBBER BUMPER FLATTED 0.210 IN. MIN 0.270 IN. MAX FROM RADIAL AXIS TO FORM A DEE SHAPE; INSIDE EDGE CHAMFERED; FLATTED EXTERIOR SURF ROUNDED TO 0.280 IN. MIN 0.360 IN. MAX R IN
style_designatorFLAT RECESSED TOP THREADED STUD
outside/top_flange_diameter0.750 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
NSN5340-01-249-8877
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20X12DA-GE 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
•
OUTSIDE/TOP FLANGE DIAMETER: 0.750 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
•
SHANK LENGTH: 0.570 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FLAT RECESSED TOP THREADED STUD
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576, GRADE 1008, 1010, 1015, 1016, 1018, 1020, 1022, 1025 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-R-6855, CLASS 1, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE OR ASTM A108, GRADE 1030 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD SIZE: 0.250-20
•
MATERIAL: STEEL OR RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.060 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.750 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN
SHANK LENGTH0.570 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
STYLE DESIGNATORFLAT RECESSED TOP THREADED STUD
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576, GRADE 1008, 1010, 1015, 1016, 1018, 1020, 1022, 1025 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-R-6855, CLASS 1, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE OR ASTM A108, GRADE 1030 ASSN STD SINGLE MATERIAL RESPONSE
THREAD SIZE0.250-20
SPECIAL FEATURESRUBBER BUMPER FLATTED 0.210 IN. MIN 0.270 IN. MAX FROM RADIAL AXIS TO FORM A DEE SHAPE; INSIDE EDGE CHAMFERED; FLATTED EXTERIOR SURF ROUNDED TO 0.280 IN. MIN 0.360 IN. MAX R IN
MATERIALSTEEL OR RUBBER
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 1
1395AS1033Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 20X12DA-GE?
20X12DA-GE is a BUMPER.
What parts can replace 20X12DA-GE?
There is 1 known substitute for 20X12DA-GE: 1395AS1033. Substitute compatibility should be verified for your specific system.
What is the NSN for 20X12DA-GE?
20X12DA-GE is cataloged in the U.S. Government catalog under NSN 5340-01-249-8877. This indicates validated use in U.S. government and defense supply chains.
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