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23-2-1-58 — COVER,AIRCRAFT GROUND SERVICING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

23-2-1-58: COVER,AIRCRAFT GROUND SERVICING.

COVER,AIRCRAFT GROUND SERVICING. Key specifications include material: STEEL COMP 321 TUBING, design_form: PREBENT, wall_thickness: 0.035 INCHES NOMINAL IN, mating_end_quantity: 2 SINGLE END, end_connection_style: UNTHREADED EXTERNAL FIRST END, tube_outside_diameter: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-098-2591, 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
23-2-1-58
NSN: 5306-00-098-2591
NIINs: 000982591, 002032474, 002752692
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 321 TUBING
design_formPREBENT
wall_thickness0.035 INCHES NOMINAL IN
mating_end_quantity2 SINGLE END
end_connection_styleUNTHREADED EXTERNAL FIRST END
tube_outside_diameter0.375 INCHES NOMINAL IN
end_item_identification4920-00-066-4471,ENGINE TEST SET,MULTI JET,ACFT
material_document_and_classificationMIL-T-8808, COMP 321, TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE TUBING
general_characteristics_item_descriptionSTEEL; 18 IN. LG; 4 IN. W IN
NSN5306-00-098-2591
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 23-2-1-58 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.280 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.817 INCHES MAXIMUM IN
•
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FASTENER LENGTH1.280 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO FLAT0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
THREAD LENGTH0.817 INCHES MAXIMUM IN
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.309 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER0.295 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 23-2-1-58?
23-2-1-58 is a COVER,AIRCRAFT GROUND SERVICING.
What is the NSN for 23-2-1-58?
23-2-1-58 is cataloged in the U.S. Government catalog under NSN 5306-00-098-2591. This indicates validated use in U.S. government and defense supply chains.
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