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NAS1016-27 — Technical Data Sheet

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— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: HEXAGON, head_height: 0.531 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.451 INCHES MINIMUM AND 1.511 INCHES MAXIMUM IN, fastener_length: 3.154 INCHES MINIMUM AND 3.184 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-01-080-3779, 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
NAS1016-27
NSN: 5305-01-080-3779
FSC: 5305
CAGE: 80205 — NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleHEXAGON
head_height0.531 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
thread_class3A A
thread_length1.451 INCHES MINIMUM AND 1.511 INCHES MAXIMUM IN
fastener_length3.154 INCHES MINIMUM AND 3.184 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
nominal_thread_diameter1.000 INCHES IN
thread_quantity_per_inch12
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
NSN5305-01-080-3779
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NAS1016-27 · 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
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
SPECIFICATION/STANDARD DATA: 80205-NAS1016 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF)
•
THREAD QUANTITY PER INCH: 12
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5733 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
MATERIAL: IRON ALLOY 660 OVERALL
•
WIDTH BETWEEN FLATS: 1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.451 INCHES MINIMUM AND 1.511 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTPASSIVATE OVERALL
SPECIFICATION/STANDARD DATA80205-NAS1016 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD QUANTITY PER INCH12
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5737 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5733 ASSN STD 2ND MATERIAL RESPONSE OVERALL
MATERIALIRON ALLOY 660 OVERALL
WIDTH BETWEEN FLATS1.427 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
THREAD LENGTH1.451 INCHES MINIMUM AND 1.511 INCHES MAXIMUM IN
HEAD HEIGHT0.531 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
AS7478InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
NAS1189E06P6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
327B455P23InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS9033InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NAS1016-27?
NAS1016-27 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace NAS1016-27?
There are 4 known substitutes for NAS1016-27: AS7478, NAS1189E06P6, 327B455P23 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NAS1016-27?
NAS1016-27 is cataloged in the Federal Logistics Information System under NSN 5305-01-080-3779. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026