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MS20257 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS20257: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.490 INCHES NOMINAL IN, overall_length: 3.000 INCHES NOMINAL IN, performance_type: NOT RATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-050-9298, 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
MS20257
NSN: 5340-00-050-9298
NIINs: 000509298, 000519132, 000519133, 000572625, 000675168, 000695124, 001856253, 002053033, 002053346, 002504970, 002823745, 002823753, 005331264, 005410594, 006164803, 007855009, 008182064, 008195563, 008258374, 008356336, 008380334, 008382786, 008382787, 008393749, 009025607, 009896040, 009931461, 009932606, 009988322, 010065959, 010234511, 010439120, 010707320, 010876712, 010894717, 010900566, 011153229, 011204140, 011303322, 011321236, 011323694, 011328851, 011329994, 011423052, 011698355, 011796912, 011854903, 012025337, 012274727, 012274728, 012278629, 012362037, 012548341, 012605984, 012668426, 012685892, 012729228, 012732862, 012732863, 012774542, 012777392, 012817984, 012834753, 012848829, 012854100, 012860349, 012864399, 012870493, 012876342, 012877757, 012908558, 012971549, 013022116, 013022117, 013024986, 013026154, 013026155, 013029550, 013031045, 013141683, 013177916, 013182145, 013225132, 013327539, 013335763, 013435520, 013460659, 013467932, 013561273, 013614756, 013649341, 013649342, 013724996, 013735162, 013781975, 013897990, 013917750, 013920132, 013972631, 014060515, 014077202, 014080474, 014083326, 014116374, 014121748, 014164780, 014190907, 014199096, 014199563, 014199570, 014199571, 014199572, 014243831, 014243832, 014258191, 014268758, 014268760, 014362149, 014456088, 014465995, 014469864, 014481704, 014518234, 014518277, 014528439, 014528444, 014558160, 014562424, 014562426, 014584159, 014601517, 014644774, 014644782, 014644784, 014644786, 014655615, 014655637, 014658706, 014706913, 014724326, 014725695, 014729593, 014733804, 014745849, 014753351, 014753352, 014753354, 014759780, 014759785, 014759788, 014776008, 014776009, 014776011, 014776012, 014784393, 014784968, 014809175, 014818111, 014826390, 014826861, 014829603, 014833974, 014834009, 014855842, 014884691, 014916864, 014917422, 014940229, 014960788, 015054669, 015127705, 015208483, 015208485, 015208486, 015208487, 015208489, 015208491, 015208494, 015232778, 015261380, 015298513, 015362574, 015384394, 015384398, 015388362, 015388363, 015388364, 015389723, 015389724, 015392623, 015481226, 015527057, 015596077, 015603089, 015604303, 015684037, 015843322, 015843335, 015862980, 015885676, 016020475, 016064995, 016100028, 016156509, 016158705, 016160962, 016172286, 016204438, 016221162, 016221258, 016221263, 016221266, 016230163, 016286533, 016287425, 016313434, 016411936, 016411939, 016473090, 016493345, 016745720, 016857446, 016858367, 016858371, 016869472, 017008309
FSC: 5340 — Hardware, Commercial
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.490 INCHES NOMINAL IN
overall_length3.000 INCHES NOMINAL IN
knuckle_quantity3
performance_typeNOT RATED
style_designatorBUTT BLANK
surface_treatmentANODIZE OVERALL
end_knuckle_length0.490 INCHES NOMINAL IN
material_thickness0.040 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
NSN5340-00-050-9298
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS20257 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
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
MS20257P4-250Reference document
Same NSN cross-reference
Reference document — Secondary reference
S6122-82369-11Reference document
Same NSN cross-reference
Reference document — Secondary 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 MS20257?
MS20257 is a HINGE,BUTT.
What parts can replace MS20257?
There are 2 known substitutes for MS20257: MS20257P4-250, S6122-82369-11. Substitute compatibility should be verified for your specific system.
What is the NSN for MS20257?
MS20257 is cataloged in the U.S. Government catalog under NSN 5340-00-050-9298. This indicates validated use in U.S. government and defense supply chains.
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