NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-00-983-6661
Cap Socket Head Screw P/N 3M991-4-6
In stock — 100 on our U.S. shelfNSN 5305-00-983-6661 5305009836661 NIIN 009836661
SECO Parts has 100 in stock of NSN 5305-00-983-6661 — Cap Socket Head Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- SCREW,CAP,SOCKET HEAD
- SECO description
- SCREW, CAP
- Federal supply class
- FSC 5305 — Screws
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 100 |
| Total | 100 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-00-983-6661 009836661 3M991-4-6 870572-00 MS16998-44 XX002-0279 AJA01-C06
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Nominal thread diameter
- Inches 0.250
- Width across flats
- 0.187–0.190 in
- Thread quantity per inch
- 28
- Minimum tensile strength
- Pounds Per Square Inch 160000
- Head height
- 0.244–0.250 in
- Thread class
- 3A
- Thread direction
- Right-Hand
- Thread length
- 0.425 in (nominal)
- Fastener length
- 0.785–0.815 in
- Head diameter
- 0.365–0.375 in
- Thread series designator
- UNF
- Surface treatment
- Overall Cadmium and Chromate
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416 TY 2 CL 3
- Minimum yield strength
- Pounds Per Square Inch 130000
- Material
- Overall Steel
- Hardness rating
- Overall Rockwell C Minimum 36.0 and Rockwell C Maximum 45.0
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
3M991-4-6 870572-00 MS16998-44 XX002-0279 AJA01-C06
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 | D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock |
| Unit of issue | HD hundred |
| 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.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5305-00-983-6661?
NSN 5305-00-983-6661 (5305009836661) — Cap Socket Head Screw: SECO Parts has 100 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for cap socket head screw in federal supply class 5305 (Screws).
Is NSN 5305-00-983-6661 available?
SECO Parts has 100 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-00-983-6661 cost?
SECO quotes NSN 5305-00-983-6661 on request, usually the same business day.
What part numbers cross-reference to NSN 5305-00-983-6661?
Part numbers that cross-reference this NSN include 3M991-4-6, 870572-00, MS16998-44, XX002-0279, AJA01-C06. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SCREW,CAP,SOCKET HEAD. Same name is not the same part: check the part numbers.