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21042-2 — PANEL ASSEMBLY,TOP REAR

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

21042-2: PANEL ASSEMBLY,TOP REAR.

The PANEL ASSEMBLY,TOP REAR is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: TUBE COUPLING, nut_height: 1.290 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN, seat_angle: 45.00 DEGREES NOMINAL, terminal_type: TAB, SOLDER LUG, thread_series: UNS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-033-4856, 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→ 21042-2
NSN: 4730-00-033-4856
NIINs: 000334856, 005010048, 011010996, 012224257
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleTUBE COUPLING
nut_height1.290 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
seat_angle45.00 DEGREES NOMINAL
terminal_typeTAB, SOLDER LUG
thread_seriesUNS
thread_directionRIGHT-HAND
length_to_shoulder0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
width_across_flats1.730 INCHES MINIMUM AND 1.752 INCHES MAXIMUM IN
nominal_thread_size0.4375 INCHES SINGLE PRESSURE CONNECTION IN
pressure_switch_typeGAGE
contact_adjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
NSN4730-00-033-4856
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 21042-2 · 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
•
LENGTH TO SHOULDER: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 1.730 INCHES MINIMUM AND 1.752 INCHES MAXIMUM IN
•
THREAD SERIES: UNS
•
THREAD PITCH DIAMETERS: +1.4594 TO 1.4634 INCHES IN
•
SEAT ANGLE: 45.00 DEGREES NOMINAL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.500 INCHES IN
•
NUT HEIGHT: 1.290 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LENGTH TO SHOULDER0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
WIDTH ACROSS FLATS1.730 INCHES MINIMUM AND 1.752 INCHES MAXIMUM IN
THREAD SERIESUNS
THREAD PITCH DIAMETERS+1.4594 TO 1.4634 INCHES IN
SEAT ANGLE45.00 DEGREES NOMINAL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.500 INCHES IN
NUT HEIGHT1.290 INCHES MINIMUM AND 1.310 INCHES MAXIMUM IN
NUT STYLETUBE COUPLING
THREAD QUANTITY PER INCH16
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21042-2?
21042-2 is a PANEL ASSEMBLY,TOP REAR. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 21042-2?
21042-2 is cataloged in the U.S. Government catalog under NSN 4730-00-033-4856. This indicates validated use in U.S. government and defense supply chains.
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