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9998-2901-306 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9998-2901-306: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND EXTENDED WASHER, thread_class: 2A A, thread_length: 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN, screw_material: PLASTIC POLYAMIDE NYLON, fastener_length: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-159-5716, 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
9998-2901-306
NSN: 5305-01-159-5716
FSC: 5305 — Screws
CAGE: 50027 — UNDERSEA SENSOR SYSTEMS INC DIV ULTRA SONOBUOY SYSTEMS (USA)
SPECIFICATIONS
head_styleROUND EXTENDED WASHER
thread_class2A A
thread_length0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
screw_materialPLASTIC POLYAMIDE NYLON
fastener_length0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.190 INCHES IN
extended_washer_diameter0.479 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
thread_quantity_per_inch32
thread_series_designatorUNF
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5305-01-159-5716
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9998-2901-306 · 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
•
FASTENER LENGTH: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D4066-82 ASSN STD SINGLE MATERIAL RESPONSE
•
EXTENDED WASHER DIAMETER: 0.479 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: ROUND EXTENDED WASHER
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066-82 ASSN STD SINGLE MATERIAL RESPONSE
EXTENDED WASHER DIAMETER0.479 INCHES MINIMUM AND 0.489 INCHES MAXIMUM IN
THREAD LENGTH0.683 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEROUND EXTENDED WASHER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALPLASTIC POLYAMIDE NYLON
INTERNAL DRIVE STYLESLOT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 9998-2901-306?
9998-2901-306 is a SCREW,MACHINE.
What is the NSN for 9998-2901-306?
9998-2901-306 is cataloged in the U.S. Government catalog under NSN 5305-01-159-5716. This indicates validated use in U.S. government and defense supply chains.
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