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Technical Data Sheet
NAS842-24A ✓ 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: ALUMINUM ALLOY 3003, drive_type: HEX SOCKET OR SCREW SLOT OR SERRATED OR SQUARE HEAD, design_type: THREADED, overall_diameter: 2.200 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN, surface_treatment: CHROMATE, nondefinitive_spec/std_data: 1 TYPE AND C CLASS AND 24 SIZE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-120-9526, 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
NAS842-24A
NSN: 5340-01-120-9526
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialALUMINUM ALLOY 3003
drive_typeHEX SOCKET OR SCREW SLOT OR SERRATED OR SQUARE HEAD
design_typeTHREADED
overall_diameter2.200 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
surface_treatmentCHROMATE
nondefinitive_spec/std_data1 TYPE AND C CLASS AND 24 SIZE
material_document_and_classificationCOMP 3003, TEMPER 0 NATIONAL SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator1.875-12 UN
surface_treatment_document_and_classificationMIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
NSN5340-01-120-9526
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: NAS842-24A 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
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND C CLASS AND 24 SIZE
MATERIAL: ALUMINUM ALLOY 3003
MATERIAL DOCUMENT AND CLASSIFICATION: COMP 3003, TEMPER 0 NATIONAL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT: CHROMATE
DESIGN TYPE: THREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
OVERALL DIAMETER: 2.200 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
DRIVE TYPE: HEX SOCKET OR SCREW SLOT OR SERRATED OR SQUARE HEAD
TECHNICAL CHARACTERISTICS (FLIS)
NONDEFINITIVE SPEC/STD DATA1 TYPE AND C CLASS AND 24 SIZE
MATERIALALUMINUM ALLOY 3003
MATERIAL DOCUMENT AND CLASSIFICATIONCOMP 3003, TEMPER 0 NATIONAL SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENTCHROMATE
DESIGN TYPETHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE A
OVERALL DIAMETER2.200 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
DRIVE TYPEHEX SOCKET OR SCREW SLOT OR SERRATED OR SQUARE HEAD
THREAD SIZE AND SERIES/TYPE DESIGNATOR1.875-12 UN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
NAS847Upgraded Successor
successor cross-reference
successor
MIL-C-5501/7Upgraded Successor
successor cross-reference
successor
M5501/7-F24Upgraded Successor
successor cross-reference
successor
AEP1543-2Upgraded Successor
successor cross-reference
successor
EC14Upgraded Successor
successor cross-reference
successor
36B505139P4Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS842-24A?
NAS842-24A is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace NAS842-24A?
There are 20 known substitutes for NAS842-24A: NAS847, MIL-C-5501/7, M5501/7-F24 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS842-24A?
NAS842-24A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-120-9526. This indicates validated use in U.S. government and defense supply chains.
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