PartsTable
Technical Data Sheet
MTL-68264 ✓ Verified by PartsTable
· HOSE FITTING
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

RESISTOR,FIXED,WIRE WOUND,NONIND. Key specifications include special_features: TO NAME: ELEVATED TEMPERATURE DIAGNOSTIC FIXTURE, nominal_overall_height: 10.500 INCHES IN, nominal_overall_length: 20.062 INCHES IN, end_item_identification: INERTIAL NAVIGATIONAL UNIT 7883450-051, reference_data_and_literature: TO 5N1-4-8-2. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-7133, 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
MTL-68264
NSN: 4730-00-277-7133
FSC: 4730
CAGE: 99974 — DELCO ELECTRONICS CORP DELCO SYSTEMS OPNS (USA)
SPECIFICATIONS
special_featuresTO NAME: ELEVATED TEMPERATURE DIAGNOSTIC FIXTURE
functional_descriptionUSED WITH NAVIGATION UNIT DURING SHOP DIAGNOSIS OF TEMPERATURE RELATED INTERMITTENT PROBLEMS. MOUNTS ATOP THE NU AND THE NUM BLOWER OUTLET TO PROVIDE RECIRCULATING AIRFLOW
nominal_overall_height10.500 INCHES IN
nominal_overall_length20.062 INCHES IN
end_item_identificationINERTIAL NAVIGATIONAL UNIT 7883450-051
reference_data_and_literatureTO 5N1-4-8-2
NSN4730-00-277-7133
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MTL-68264 · 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
SPECIFICATION/STANDARD DATA: 81348-WW-C-440 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA: 1A TABLE AND F TYPE A
INSIDE DIAMETER: 2.062 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
SURFACE TREATMENT: PASSIVATE OVERALL
STYLE DESIGNATOR: WIRE
FASTENING DEVICE TYPE: SLOTTED HEXAGON HEAD SCREW
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
SPECIFICATION/STANDARD DATA81348-WW-C-440 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA1A TABLE AND F TYPE A
INSIDE DIAMETER2.062 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
STYLE DESIGNATORWIRE
END ITEM IDENTIFICATIONSELF PROPELLED 175MM GUN,M107 AND SELF PROPELLED 8 INCH HOWITZERS MODELS M110 AND M110A1 MM
FASTENING DEVICE TYPESLOTTED HEXAGON HEAD SCREW
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
214261Interchangeable
interchangeable cross-reference
interchangeable
5123Interchangeable
interchangeable cross-reference
interchangeable
534972-1Interchangeable
interchangeable cross-reference
interchangeable
250-DCZInterchangeable
interchangeable cross-reference
interchangeable
9A33275Interchangeable
interchangeable cross-reference
interchangeable
5EX52Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MTL-68264?
MTL-68264 is a RESISTOR,FIXED,WIRE WOUND,NONIND.
What parts can replace MTL-68264?
There are 29 known substitutes for MTL-68264: 214261, 5123, 534972-1 and 26 more. Substitute compatibility should be verified for your specific system.
Is MTL-68264 still available?
MTL-68264 is currently cancelled.
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