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Technical Data Sheet
MILC5501TYPE1CLASSASIZE16 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: PLASTIC, POLYETHYLENE (PP), drive_type: HEX SOCKET OR SCREW SLOT OR SERRATED OR SQUARE HEAD, design_type: THREADED, overall_diameter: 2.063 INCHES NOMINAL IN, nondefinitive_spec/std_data: 1 TYPE AND A CLASS AND 16 SIZE, material_document_and_classification: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-804-1253, 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
MILC5501TYPE1CLASSASIZE16
NSN: 5340-00-804-1253
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
drive_typeHEX SOCKET OR SCREW SLOT OR SERRATED OR SQUARE HEAD
design_typeTHREADED
overall_diameter2.063 INCHES NOMINAL IN
nondefinitive_spec/std_data1 TYPE AND A CLASS AND 16 SIZE
material_document_and_classificationL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator1-5/16-12 UN
NSN5340-00-804-1253
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MILC5501TYPE1CLASSASIZE16 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
DESIGN TYPE: THREADED
DRIVE TYPE: HEX SOCKET OR SCREW SLOT OR SERRATED OR SQUARE HEAD
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 1-5/16-12 UN
OVERALL DIAMETER: 2.063 INCHES NOMINAL IN
MATERIAL: PLASTIC, POLYETHYLENE (PP)
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A CLASS AND 16 SIZE
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPETHREADED
DRIVE TYPEHEX SOCKET OR SCREW SLOT OR SERRATED OR SQUARE HEAD
THREAD SIZE AND SERIES/TYPE DESIGNATOR1-5/16-12 UN
OVERALL DIAMETER2.063 INCHES NOMINAL IN
MATERIALPLASTIC, POLYETHYLENE (PP)
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A CLASS AND 16 SIZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
M5501/1-R6Upgraded Successor
successor cross-reference
successor
MILC5501Upgraded Successor
successor cross-reference
successor
MIL-C-5501/1Upgraded Successor
successor cross-reference
successor
M5501/1-R8Upgraded Successor
successor cross-reference
successor
PD60Upgraded Successor
successor cross-reference
successor
25726009-04Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MILC5501TYPE1CLASSASIZE16?
MILC5501TYPE1CLASSASIZE16 is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace MILC5501TYPE1CLASSASIZE16?
There are 22 known substitutes for MILC5501TYPE1CLASSASIZE16: M5501/1-R6, MILC5501, MIL-C-5501/1 and 19 more. Substitute compatibility should be verified for your specific system.
Is MILC5501TYPE1CLASSASIZE16 still available?
MILC5501TYPE1CLASSASIZE16 is currently cancelled.
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