639AS3803 — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

639AS3803: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303SE OVERALL, head_style: FLAT CHAMFER, head_height: 0.075 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN, thread_length: 0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-283-9898, 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

639AS3803

NSN: 5305-01-283-9898
FSC: 5305 — Screws
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

material	STEEL COMP 303SE OVERALL
head_style	FLAT CHAMFER
head_height	0.075 INCHES NOMINAL IN
thread_class	2A A
head_diameter	0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN
thread_length	0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
shoulder_length	0.080 INCHES NOMINAL FIRST SHOULDER IN
special_features	THREAD RELIEF UNDERCUT 0.140 IN. DIA; 0.055 IN. LG; SURFACE FINISH ON SHOULDER AND BEARING SURFACE 32.0 MICROINCHES IN
thread_direction	RIGHT-HAND
shoulder_diameter	0.197 INCHES MINIMUM AND 0.211 INCHES MAXIMUM FIRST SHOULDER IN
NSN	5305-01-283-9898

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.075 INCHES NOMINAL IN

•

FASTENER LENGTH: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.080 INCHES NOMINAL FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.197 INCHES MINIMUM AND 0.211 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.075 INCHES NOMINAL IN
FASTENER LENGTH	0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
SHOULDER LENGTH	0.080 INCHES NOMINAL FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.197 INCHES MINIMUM AND 0.211 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.155 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT CHAMFER

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is 639AS3803?

639AS3803 is a SCREW,SHOULDER.

What is the NSN for 639AS3803?

639AS3803 is cataloged in the U.S. Government catalog under NSN 5305-01-283-9898. This indicates validated use in U.S. government and defense supply chains.

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639AS3803 — SCREW,SHOULDER

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