Machine Screw P/N NAS1801-08-9

Specifications

Thread class

3A

Thread direction

Right-Hand

Thread length

0.485–0.563 in

Fastener length

0.547–0.563 in

Head height

0.096–0.110 in

Width between flats

0.243–0.251 in

Nominal thread diameter

Inches 0.164

Thread quantity per inch

32

Minimum tensile strength

Pounds Per Square Inch 160000

Hardness rating

Rockwell C Minimum 36.0 and Rockwell C Maximum 40.0

Screw material

Steel Comp E4340 or Steel Comp 8740

Screw material document and classification

MIL Spec 1ST Material Response -IL-S-5000 or MIL Spec 2ND Material Response -IL-S-6049 or Assn STD 2ND Material Response A-S6322

Screw surface treatment

Cadmium and Chromate

Screw surface treatment document and classification

Fed Spec Single Treatment Response QQ--416,Tye 2,Class 2

Thread series designator

Unjc

Specification/standard data

Professional/industrial Association Standard 80205-NAS1801

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

NAS1801-08-9

Also referenced as

BACS12CB08-9 10509523

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 10 on the shelf
Unit of issue	PG package
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

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FAQ

What is NSN 5305-01-120-9899?
NSN 5305-01-120-9899 (5305011209899) — Machine Screw: SECO Parts has 10 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for machine screw in federal supply class 5305 (Screws).

Is NSN 5305-01-120-9899 available?
SECO Parts has 10 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5305-01-120-9899 cost?
NSN 5305-01-120-9899 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.

What part numbers cross-reference to NSN 5305-01-120-9899?
Part numbers that cross-reference this NSN include NAS1801-08-9. It is also referenced by older, superseded or advisory numbers: BACS12CB08-9, 10509523. SECO can quote against any of them.