NAS498 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

NAS498: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN, head_height: 0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-059-7042, 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

NAS498

NSN: 5305-00-059-7042
NIINs: 000597042, 000744436, 001515759, 002078743, 002078744, 002928586, 002928590, 005310441, 005504251, 005516803, 005516984, 005516992, 005516993, 005517268, 005517278, 005590184, 005590212, 005590213, 005590214, 005590460, 005590633, 005760368, 005760605, 005761559, 005762278, 005762804, 005762812, 005762827, 005762830, 005762838, 005762857, 005765908, 005765909, 005765910, 005765912, 005767494, 005767654, 005767657, 005794625, 005795492, 005795855, 005795857, 005829223, 005829225, 005844997, 005845597, 006162119, 006162121, 006162122, 006162133, 006162139, 006163805, 006166320, 006196298, 006377443, 006377921, 006377963, 006379102, 006389993, 006391472, 006392248, 006392251, 006392252, 006392259, 006392260, 006392274, 006392311, 006395357, 006397246, 006397248, 006397250, 006397251, 006397254, 006397255, 006557542, 006558389, 006560117, 006560118, 006602621, 006804964, 006805041, 006805043, 006806349, 006806350, 006806356, 006806365, 006806376, 006807100, 006807500, 006852539, 006857262, 006876661, 006881422, 006881423, 006881709, 006881865, 007022410, 007023998, 007027507, 007027508, 007027509, 007027510, 007152179, 007207857, 007207910, 007208765, 007209112, 007213058, 007213059, 007213060, 007213132, 007213133, 007215769, 007264002, 007534289, 007610646, 008001207, 008001208, 008001209, 008001210, 008001796, 008001797, 008001806, 008003861, 008006920, 008011738, 008014504, 008014505, 008014506, 008014507, 008014509, 008014511, 008014512, 008014513, 008014514, 008014515, 008014516, 008014522, 008014708, 008015343, 008019988, 008023574, 008031129, 008031133, 008031134, 008036239, 008039106, 008039107, 008039606, 008041986, 008053576, 008072497, 008072510, 008525339, 009149126, 009172672, 009976969, 011238460, 013573932
FSC: 5305 — Screws
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)

SPECIFICATIONS

material	STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	1.428 INCHES MINIMUM AND 1.448 INCHES MAXIMUM IN
head_height	0.188 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter	0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.316 INCHES NOMINAL IN
screw_material	STEEL COMP E4340 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP 4140 OR STEEL COMP 4037
shank_diameter	0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	1.739 INCHES MINIMUM AND 1.769 INCHES MAXIMUM IN
NSN	5305-00-059-7042

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

FASTENER LENGTH: 1.703 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL

•

THREAD LENGTH: 0.656 INCHES MINIMUM IN

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.437 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
FASTENER LENGTH	1.703 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2 CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH	0.656 INCHES MINIMUM IN
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.437 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is NAS498?

NAS498 is a SCREW,MACHINE.

What is the NSN for NAS498?

NAS498 is cataloged in the U.S. Government catalog under NSN 5305-00-059-7042. This indicates validated use in U.S. government and defense supply chains.

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NAS498 — SCREW,MACHINE

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