PartsTable
Technical Data Sheet
A11253 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

FILTER ELEMENT,AIR CONDITIONING. Key specifications include material: STEEL COMP 1137 OVERALL, body_type: CORED, head_type: SOLID, inclosure_type: HERMETICALLY SEALED, overall_length: 7.219 INCHES NOMINAL IN, drive_end_style: RAISED SQUARE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-221-2141, 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
MRO MRO_GENERAL A11253
NSN: 4730-00-221-2141
FSC: 4730
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
materialSTEEL COMP 1137 OVERALL
body_typeCORED
head_typeSOLID
inclosure_typeHERMETICALLY SEALED
overall_length7.219 INCHES NOMINAL IN
drive_end_styleRAISED SQUARE
connection_stylePLAIN
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentCADMIUM OVERALL
nominal_thread_size1.000 INCHES EXTERNAL IN
NSN4730-00-221-2141
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A11253 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CONNECTION STYLE: PLAIN
SURFACE TREATMENT: CADMIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE: 1.000 INCHES EXTERNAL IN
HEAD TYPE: SOLID
MATERIAL: STEEL COMP 1137 OVERALL
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN
SURFACE TREATMENTCADMIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE1.000 INCHES EXTERNAL IN
HEAD TYPESOLID
MATERIALSTEEL COMP 1137 OVERALL
NOMINAL PIPE SIZE FOR WHICH DESIGNED1.000 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES DESIGNATORNPT EXTERNAL
DRIVE END STYLERAISED SQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
75317HXInterchangeable
interchangeable cross-reference
interchangeable
302-E-7961Interchangeable
interchangeable cross-reference
interchangeable
205817Interchangeable
interchangeable cross-reference
interchangeable
A1125-3Interchangeable
interchangeable cross-reference
interchangeable
AMA1-12-4Interchangeable
interchangeable cross-reference
interchangeable
7913173-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A11253?
A11253 is a FILTER ELEMENT,AIR CONDITIONING. It is classified as a MRO (MRO_GENERAL).
What parts can replace A11253?
There are 11 known substitutes for A11253: 75317HX, 302-E-7961, 205817 and 8 more. Substitute compatibility should be verified for your specific system.
Is A11253 still available?
A11253 is currently cancelled.
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